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2.
J Fam Violence ; : 1-14, 2023 Jan 28.
Artículo en Inglés | MEDLINE | ID: mdl-36743687

RESUMEN

Purpose: The perspectives of children and young people with disability who experience domestic and family violence are under-researched, impeding the development of approaches that meet their needs. Knowledge gaps stem from the layered discursive positioning of disability, childhood/youth, or domestic and family violence in addition to the methodological, ethical and pragmatic complexity of research needed to understand their priorities and be attuned to their lived experience. This article explores methodological, ethical and practical challenges to centring their voices in research about domestic and family violence. Method: A conceptual framework of feminist disability theory and intersectionality informed our co-designed research, across three phases: (1) quantitative large-scale data linkage and case file analysis; (2) qualitative research with children and young people, their families and service providers and (3) stakeholder engagement workshops. Results: We reflect on how our research was able to prioritise the contextual agency of children and young people with disability, ways it could not, and other constraints. Conclusion: Children and young people with disability experiencing domestic and family violence hold an expert and unique vantage point on what happens to them. Amplifying their priorities for directing policy and organisational change requires more of researchers in terms of methods, but also more flexibility in how projects are funded to enable creativity and innovation. We call for collective attention to frameworks for supported decision-making and child ethics to progress inclusive research which recognises the importance of participation for children and young people with disability.

3.
NPJ Regen Med ; 8(1): 12, 2023 Feb 27.
Artículo en Inglés | MEDLINE | ID: mdl-36849720

RESUMEN

Effective regeneration after peripheral nerve injury requires macrophage recruitment. We investigated the activation of remodeling pathways within the macrophage population when repair is delayed and identified alteration of key upstream regulators of the inflammatory response. We then targeted one of these regulators, using exogenous IL10 to manipulate the response to injury at the repair site. We demonstrate that this approach alters macrophage polarization, promotes macrophage recruitment, axon extension, neuromuscular junction formation, and increases the number of regenerating motor units reaching their target. We also demonstrate that this approach can rescue the effects of delayed nerve graft.

4.
Sci Data ; 10(1): 100, 2023 02 16.
Artículo en Inglés | MEDLINE | ID: mdl-36797273

RESUMEN

The development of algorithms for remote sensing of water quality (RSWQ) requires a large amount of in situ data to account for the bio-geo-optical diversity of inland and coastal waters. The GLObal Reflectance community dataset for Imaging and optical sensing of Aquatic environments (GLORIA) includes 7,572 curated hyperspectral remote sensing reflectance measurements at 1 nm intervals within the 350 to 900 nm wavelength range. In addition, at least one co-located water quality measurement of chlorophyll a, total suspended solids, absorption by dissolved substances, and Secchi depth, is provided. The data were contributed by researchers affiliated with 59 institutions worldwide and come from 450 different water bodies, making GLORIA the de-facto state of knowledge of in situ coastal and inland aquatic optical diversity. Each measurement is documented with comprehensive methodological details, allowing users to evaluate fitness-for-purpose, and providing a reference for practitioners planning similar measurements. We provide open and free access to this dataset with the goal of enabling scientific and technological advancement towards operational regional and global RSWQ monitoring.

5.
New Phytol ; 238(1): 80-95, 2023 04.
Artículo en Inglés | MEDLINE | ID: mdl-36300568

RESUMEN

Ericaceous shrubs adapt to the nutrient-poor conditions in ombrotrophic peatlands by forming symbiotic associations with ericoid mycorrhizal (ERM) fungi. Increased nutrient availability may diminish the role of ERM pathways in shrub nutrient uptake, consequently altering the biogeochemical cycling within bogs. To explore the significance of ERM fungi in ombrotrophic peatlands, we developed the model MWMmic (a peat cohort-based biogeochemical model) into MWMmic-NP by explicitly incorporating plant-soil nitrogen (N) and phosphorus (P) cycling and ERM fungi processes. The new model was applied to simulate the biogeochemical cycles in the Mer Bleue (MB) bog in Ontario, Canada, and their responses to fertilization. MWMmic_NP reproduced the carbon(C)-N-P cycles and vegetation dynamics observed in the MB bog, and their responses to fertilization. Our simulations showed that fertilization increased shrub biomass by reducing the C allocation to ERM fungi, subsequently suppressing the growth of underlying Sphagnum mosses, and decreasing the peatland C sequestration. Our species removal simulation further demonstrated that ERM fungi were key to maintaining the shrub-moss coexistence and C sink function of bogs. Our results suggest that ERM fungi play a significant role in the biogeochemical cycles in ombrotrophic peatlands and should be considered in future modeling efforts.


Asunto(s)
Micorrizas , Humedales , Hongos , Plantas/metabolismo , Biomasa , Fertilización , Suelo
6.
PLoS One ; 17(11): e0275149, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36417456

RESUMEN

Peatlands account for 15 to 30% of the world's soil carbon (C) stock and are important controls over global nitrogen (N) cycles. However, C and N concentrations are known to vary among peatlands contributing to the uncertainty of global C inventories, but there are few global studies that relate peatland classification to peat chemistry. We analyzed 436 peat cores sampled in 24 countries across six continents and measured C, N, and organic matter (OM) content at three depths down to 70 cm. Sites were distinguished between northern (387) and tropical (49) peatlands and assigned to one of six distinct broadly recognized peatland categories that vary primarily along a pH gradient. Peat C and N concentrations, OM content, and C:N ratios differed significantly among peatland categories, but few differences in chemistry with depth were found within each category. Across all peatlands C and N concentrations in the 10-20 cm layer, were 440 ± 85.1 g kg-1 and 13.9 ± 7.4 g kg-1, with an average C:N ratio of 30.1 ± 20.8. Among peatland categories, median C concentrations were highest in bogs, poor fens and tropical swamps (446-532 g kg-1) and lowest in intermediate and extremely rich fens (375-414 g kg-1). The C:OM ratio in peat was similar across most peatland categories, except in deeper samples from ombrotrophic tropical peat swamps that were higher than other peatlands categories. Peat N concentrations and C:N ratios varied approximately two-fold among peatland categories and N concentrations tended to be higher (and C:N lower) in intermediate fens compared with other peatland types. This study reports on a unique data set and demonstrates that differences in peat C and OM concentrations among broadly classified peatland categories are predictable, which can aid future studies that use land cover assessments to refine global peatland C and N stocks.


Asunto(s)
Carbono , Suelo , Carbono/química , Suelo/química , Humedales , Nitrógeno
7.
Aust Educ Res ; : 1-20, 2022 Aug 30.
Artículo en Inglés | MEDLINE | ID: mdl-36061956

RESUMEN

Although 'child safety' is now a national policy priority in Australia, there is little research exploring the practices in schools that contribute to children and young people's felt sense of safety and wellbeing. Drawing on a mixed-method Australian Research Council (ARC) Discovery project, this article presents findings from interviews with school staff (N = 10), leaders (N = 5) and nine focus groups with students (N = 58), in primary and secondary schools in three Australian states (New South Wales, Victoria and South Australia). We employ relational ethics, recognition theory and the theory of practice architectures to explore practices at school that support student wellbeing and safety. The findings contribute significantly to understanding the 'bundled' nature of current practices and the conditions that enable and constrain these. Close attention to these findings is critical as schools seek to operationalise the National Child Safe Principles and refine ongoing safeguarding procedures. The findings have informed the development of an online survey that is currently testing, on a much larger scale, which elements of ethical practice are most positively associated with students' safety, wellbeing and recognition at school.

8.
Nat Genet ; 54(9): 1332-1344, 2022 09.
Artículo en Inglés | MEDLINE | ID: mdl-36071172

RESUMEN

Although physical activity and sedentary behavior are moderately heritable, little is known about the mechanisms that influence these traits. Combining data for up to 703,901 individuals from 51 studies in a multi-ancestry meta-analysis of genome-wide association studies yields 99 loci that associate with self-reported moderate-to-vigorous intensity physical activity during leisure time (MVPA), leisure screen time (LST) and/or sedentary behavior at work. Loci associated with LST are enriched for genes whose expression in skeletal muscle is altered by resistance training. A missense variant in ACTN3 makes the alpha-actinin-3 filaments more flexible, resulting in lower maximal force in isolated type IIA muscle fibers, and possibly protection from exercise-induced muscle damage. Finally, Mendelian randomization analyses show that beneficial effects of lower LST and higher MVPA on several risk factors and diseases are mediated or confounded by body mass index (BMI). Our results provide insights into physical activity mechanisms and its role in disease prevention.


Asunto(s)
Estudio de Asociación del Genoma Completo , Conducta Sedentaria , Actinina/genética , Estudios Transversales , Ejercicio Físico/fisiología , Humanos , Actividades Recreativas
9.
J Empir Res Hum Res Ethics ; 17(3): 254-266, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35301891

RESUMEN

Hypothetical scenarios were used to assess the influence of the sensitivity of the study topic, payments, and study methods on research ethics committee (HREC) members' approval of social research studies involving children. A total of 183 Australian HREC members completed an online survey. The higher the perceived sensitivity of the study topic, the less likely the study would be approved by an HREC member. HREC members were most likely to approve each of the hypothetical studies if no payment was offered. Payment was the most common reason for not approving the low risk studies, while risks were the most common reasons for not approving the more sensitive studies. Face-to-face interviews conducted at home with children elicited substantially higher rates of approval from HREC members with more sensitive study topics. Both HRECs and researchers may benefit from additional guidance on managing risks and payments for children and young people in research.


Asunto(s)
Comités de Ética en Investigación , Investigadores , Adolescente , Australia , Niño , Humanos , Riesgo , Encuestas y Cuestionarios
10.
Health Soc Care Community ; 30(5): e1625-e1638, 2022 09.
Artículo en Inglés | MEDLINE | ID: mdl-34657333

RESUMEN

Young carers support family members affected by disability or a health condition. The Young Carer Bursary Program aims to support young carers' education. This paper analysed data from consenting bursary applicants (2017-2019) to investigate relationships between wellbeing, educational attendance, home study and other factors. Descriptive statistics, correlation and regression analysis determined significant issues, relationships and influential factors related to young carer (N = 1,443) wellbeing and education. Sixty-eight percent were aged between 13 and 18 years and attended secondary school. One third of the sample reported that they were the main carer in their family and 29% reported receiving no support. Female applicants from single parent households who were the main carer attended educational settings less often. Eighteen percent (n = 267) rated their wellbeing as poor/very poor. Better wellbeing was associated with increased educational attendance (rs  = 0.33, p < 0.001) and home study (rs  = 0.34, p < 0.001). Wellbeing was associated with main carer status, caring for a parent, having a disability, being older and having few supports. Educational attendance was associated with main carer status, higher care load and fewer supports. Home study was associated with having a disability, caring for a sibling, caring for more than 11 hr per week and having fewer supports. Important factors about the age, life situation and challenges experienced by young carers identified in this paper indicate that further research into preferred supports and effectiveness of the bursary in improving educational engagement is warranted.


Asunto(s)
Cuidadores , Familia , Adolescente , Australia , Escolaridad , Femenino , Humanos
11.
J Empir Res Hum Res Ethics ; 17(1-2): 70-83, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-34636704

RESUMEN

As part of a larger study, Australian Human Research Ethics Committee (HREC) members and managers were surveyed about their decision-making and views about social research studies with child participants. Responses of 229 HREC members and 42 HREC managers are reported. While most HREC members had received ethical training, HREC training and guidelines specific to research involving children were rare. Most applications involving children had to go through a full ethical review, but few adverse events were reported to HRECs regarding the conduct of the studies. Revisions to study proposals requested by HRECs were mostly related to consent processes and age-appropriate language. One-third of HREC members said that they would approve research on any topic. Most were also concerned that the methodology was appropriate, and the risks and benefits were clearly articulated. Specific training and guidance are needed to increase HREC members' confidence to judge ethical research with children.


Asunto(s)
Revisión Ética , Comités de Ética en Investigación , Australia , Niño , Humanos , Encuestas y Cuestionarios
12.
FEMS Microbiol Lett ; 368(21-24)2021 12 24.
Artículo en Inglés | MEDLINE | ID: mdl-34875049

RESUMEN

Peatlands both accumulate carbon and release methane, but their broad range in environmental conditions means that the diversity of microorganisms responsible for carbon cycling is still uncertain. Here, we describe a community analysis of methanogenic archaea responsible for methane production in 17 peatlands from 36 to 53 N latitude across the eastern half of North America, including three metal-contaminated sites. Methanogenic community structure was analysed through Illumina amplicon sequencing of the mcrA gene. Whether metal-contaminated sites were included or not, metal concentrations in peat were a primary driver of methanogenic community composition, particularly nickel, a trace element required in the F430 cofactor in methyl-coenzyme M reductase that is also toxic at high concentrations. Copper was also a strong predictor, likely due to inhibition at toxic levels and/or to cooccurrence with nickel, since copper enzymes are not known to be present in anaerobic archaea. The methanogenic groups Methanocellales and Methanosarcinales were prevalent in peatlands with low nickel concentrations, while Methanomicrobiales and Methanomassiliicoccales were abundant in peatlands with higher nickel concentrations. Results suggest that peat-associated trace metals are predictors of methanogenic communities in peatlands.


Asunto(s)
Archaea , Cobre , Microbiota , Níquel , Archaea/clasificación , Archaea/genética , Archaea/metabolismo , Carbono , Cobre/toxicidad , Ecosistema , Metano/metabolismo , Microbiota/efectos de los fármacos , Níquel/toxicidad , América del Norte , Filogenia , Suelo/química , Microbiología del Suelo
13.
Sci Rep ; 11(1): 24517, 2021 12 31.
Artículo en Inglés | MEDLINE | ID: mdl-34972838

RESUMEN

Natural peatlands contribute significantly to global carbon sequestration and storage of biomass, most of which derives from Sphagnum peat mosses. Atmospheric CO2 levels have increased dramatically during the twentieth century, from 280 to > 400 ppm, which has affected plant carbon dynamics. Net carbon assimilation is strongly reduced by photorespiration, a process that depends on the CO2 to O2 ratio. Here we investigate the response of the photorespiration to photosynthesis ratio in Sphagnum mosses to recent CO2 increases by comparing deuterium isotopomers of historical and contemporary Sphagnum tissues collected from 36 peat cores from five continents. Rising CO2 levels generally suppressed photorespiration relative to photosynthesis but the magnitude of suppression depended on the current water table depth. By estimating the changes in water table depth, temperature, and precipitation during the twentieth century, we excluded potential effects of these climate parameters on the observed isotopomer responses. Further, we showed that the photorespiration to photosynthesis ratio varied between Sphagnum subgenera, indicating differences in their photosynthetic capacity. The global suppression of photorespiration in Sphagnum suggests an increased net primary production potential in response to the ongoing rise in atmospheric CO2, in particular for mire structures with intermediate water table depths.

14.
Trauma Violence Abuse ; 22(4): 928-943, 2021 10.
Artículo en Inglés | MEDLINE | ID: mdl-31793402

RESUMEN

Domestic violence is a significant issue experienced by many children that can have a detrimental impact on their health, development, and well-being. This article reports on the findings of a meta-synthesis that examined the nature and extent of qualitative studies conducted with children about their experience of domestic violence. Studies were identified by a search of electronic databases and included gray literature. Studies were included for review if they were published between 1996 and 2016, were from countries considered as comparable Western nations to Australia and available in the English language, and reported on qualitative studies that directly engaged with children under the age of 18 years on their experiences of intimate partner violence involving one or more of their parents/carers. Forty peer-reviewed publications that reported on 32 studies were included for the review. This study was unique in that it included child participation measures to assess the quality of available studies. This article explores the contribution that research with children has made to our understandings of, and responses to, domestic violence, and provides a critique of the limitations and gaps evident in the extant qualitative research with children on the issue of domestic violence. The article considers implications for future research, policy, and practice and in particular focuses our attention on the need to engage more children more fully in participatory research in the field of domestic violence.


Asunto(s)
Violencia Doméstica , Violencia de Pareja , Adolescente , Australia , Niño , Humanos , Padres , Investigación Cualitativa
15.
J Child Sex Abus ; 30(1): 4-20, 2021 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-32045343

RESUMEN

The Australian Royal Commission into Institutional Responses to Child Sexual Abuse (the Royal Commission) examined child sexual abuse within a wide range of institutions that provide services to children, this included residential facilities. The current study (funded by the Royal Commission) considers young people's perception of safety in residential care; specifically, the current study attended to the voices of young people who spoke about sexual harassment and assault in qualitative interviews. Interviews were conducted with young people aged between 13 and 21 years who were or had recently been in residential care. Participants were asked for their perceptions of situations in a series of vignettes describing various levels and types of sexual assault and harassment. During these interviews, the young people in this study voluntarily reported known incidences of sexual assault and harassment in varying levels, perpetrated by workers, individuals outside of residential care, and peers within residential care. Sexual assault and harassment was discussed in heteronormative and gendered ways with young men seen as perpetrators and protectors, and young women seen as being vulnerable. Further, it was evident from this study, that there were varying responses to these situations from workers within the residential care facilities.


Asunto(s)
Adolescente Institucionalizado/psicología , Instituciones Residenciales , Delitos Sexuales , Acoso Sexual , Adolescente , Australia/epidemiología , Femenino , Humanos , Masculino , Narración , Investigación Cualitativa , Adulto Joven
16.
Acad Pediatr ; 21(2): 236-243, 2021 03.
Artículo en Inglés | MEDLINE | ID: mdl-33359515

RESUMEN

The first 5 years of a child's life are crucial in laying the foundation for their health and developmental trajectory into adulthood. These early years are especially influenced by the surrounding environments in which children live and grow. A large international body of evidence demonstrates that children who experience disadvantage tend to fall increasingly behind over time. At the societal level, these inequities can cause substantial social burdens and significant costs across health, education, and welfare budgets. A contributing factor is that children experiencing adversity are less likely to have access to the environmental conditions that support them to thrive. Many of these factors are modifiable at the community or place level. We argue for three key-though not exhaustive-ideas that collectively could achieve more equitable outcomes for children facing disadvantage and experiencing adversity:We conclude that if adopted, these 3 ideas could contribute to the ability of local communities and networks to identify and respond to factors that address early childhood inequalities.


Asunto(s)
Escolaridad , Adulto , Niño , Preescolar , Humanos
17.
Microb Ecol ; 80(3): 593-602, 2020 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-32388577

RESUMEN

Peatlands are important players in climate change-biosphere feedbacks via long-term net carbon (C) accumulation in soil organic matter and as potential net C sources including the potent greenhouse gas methane (CH4). Interactions of climate, site-hydrology, plant community, and groundwater chemical factors influence peatland development and functioning, including C dioxide (CO2) and CH4 fluxes, but the role of microbial community composition is not well understood. To assess microbial functional and taxonomic dissimilarities, we used high throughput sequencing of the small subunit ribosomal DNA (SSU rDNA) to determine bacterial and archaeal community composition in soils from twenty North American peatlands. Targeted DNA metabarcoding showed that although Proteobacteria, Acidobacteria, and Actinobacteria were the dominant phyla on average, intermediate and rich fens hosted greater diversity and taxonomic richness, as well as an array of candidate phyla when compared with acidic and nutrient-poor poor fens and bogs. Moreover, pH was revealed to be the strongest predictor of microbial community structure across sites. Predictive metagenome content (PICRUSt) showed increases in specific genes, such as purine/pyrimidine and amino-acid metabolism in mid-latitude peatlands from 38 to 45° N, suggesting a shift toward utilization of microbial biomass over utilization of initial plant biomass in these microbial communities. Overall, there appears to be noticeable differences in community structure between peatland classes, as well as differences in microbial metabolic activity between latitudes. These findings are in line with a predicted increase in the decomposition and accelerated C turnover, and suggest that peatlands north of 37° latitude may be particularly vulnerable to climate change.


Asunto(s)
Archaea/aislamiento & purificación , Bacterias/aislamiento & purificación , Clima , Microbiota , Humedales , Ontario , Microbiología del Suelo , Estados Unidos
18.
Br J Nurs ; 28(19): 1234-1238, 2019 Oct 24.
Artículo en Inglés | MEDLINE | ID: mdl-31680571

RESUMEN

INTRODUCTION: the NHS Long Term Plan has called for a reduction in the number of outpatient appointments to reduce pressure on hospital services and increase ease of access for patients. This article presents a service evaluation of an innovative, nurse-led telephone follow-up service for a group of elective bowel cancer patients following surgery. METHODS: the records of patients who underwent surgery over a 2-year period were accessed to determine the number of telephone follow-ups and other investigations. This was used to model the potential cost saving for commissioners against traditional clinic follow-up. Patient satisfaction was assessed by the European Organisation for Research and Treatment of Cancer questionnaire on Outpatient Satisfaction in 30 patients. RESULTS: feedback on the service was overwhelmingly positive, with patients praising the care received from the specialist nurses, but also commenting on increased continuity of care, ease of access and convenience. The service also potentially creates significant savings for commissioners as the agreed tariff for nurse telephone follow-up is significantly less than the outpatient tariff. DISCUSSION: this innovative follow-up system is well liked by patients and should provide savings for commissioners. The hospital also benefits from an increase in capacity to see new or more unwell patients, and a reduction in carbon emissions. Such a service, however, is dependent on people, and although it has functioned effectively in this department for approximately 20 years, it would only be generalisable to other units if staff had appropriate expertise.


Asunto(s)
Cuidados Posteriores/organización & administración , Neoplasias Colorrectales/cirugía , Enfermeras Especialistas , Teléfono , Difusión de Innovaciones , Investigación sobre Servicios de Salud , Humanos , Medicina Estatal/organización & administración , Reino Unido
19.
Br J Nurs ; 28(19): 1134-1138, 2019 Oct 24.
Artículo en Inglés | MEDLINE | ID: mdl-31647733

RESUMEN

INTRODUCTION: the NHS Long Term Plan has called for a reduction in the number of outpatient appointments to reduce pressure on hospital services and increase ease of access for patients. This article presents a service evaluation of an innovative, nurse-led telephone follow-up service for a group of elective bowel cancer patients following surgery. METHODS: the records of patients who underwent surgery over a 2-year period were accessed to determine the number of telephone follow-ups and other investigations. This was used to model the potential cost saving for commissioners against traditional clinic follow-up. Patient satisfaction was assessed by the European Organisation for Research and Treatment of Cancer questionnaire on Outpatient Satisfaction in 30 patients. RESULTS: feedback on the service was overwhelmingly positive, with patients praising the care received from the specialist nurses, but also commenting on increased continuity of care, ease of access and convenience. The service also potentially creates significant savings for commissioners as the agreed tariff for nurse telephone follow-up is significantly less than the outpatient tariff. DISCUSSION: this innovative follow-up system is well liked by patients and should provide savings for commissioners. The hospital also benefits from an increase in capacity to see new or more unwell patients, and a reduction in carbon emissions. Such a service, however, is dependent on people, and although it has functioned effectively in this department for approximately 20 years, it would only be generalisable to other units if staff had appropriate expertise.


Asunto(s)
Cuidados Posteriores/organización & administración , Neoplasias Colorrectales/cirugía , Enfermeras Especialistas , Teléfono , Difusión de Innovaciones , Investigación sobre Servicios de Salud , Humanos , Medicina Estatal/organización & administración , Reino Unido
20.
J Empir Res Hum Res Ethics ; 14(2): 126-140, 2019 04.
Artículo en Inglés | MEDLINE | ID: mdl-30735083

RESUMEN

The MESSI (Managing Ethical Studies on Sensitive Issues) study used hypothetical scenarios, presented via a brief online survey, to explore whether payment amounts influenced Australian children and young people to participate in social research of different sensitivity. They were more likely to participate in the lower sensitivity study than in the higher at all payment levels (A$200 prize draw, no payment, $30, or $100). Offering payments to children and young people increased the likelihood that they would agree to participate in the studies and, in general, the higher the payments, the higher the likelihood of their participating. No evidence of undue influence was detected: payments can be used to increase the participation of children and young people in research without concerns of undue influence on their behavior in the face of relatively risky research. When considering the level of payment, however, the overriding consideration should be the level of risk to the children and young people.


Asunto(s)
Ensayos Clínicos como Asunto/economía , Ensayos Clínicos como Asunto/ética , Motivación , Sujetos de Investigación , Asunción de Riesgos , Adolescente , Australia , Niño , Ética en Investigación , Femenino , Humanos , Masculino , Encuestas y Cuestionarios
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