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1.
Harm Reduct J ; 21(1): 169, 2024 Sep 14.
Artículo en Inglés | MEDLINE | ID: mdl-39272059

RESUMEN

BACKGROUND: Fentanyl is increasingly pervasive in the unregulated drug supply and is a driver of drug overdose deaths in the United States. The aims of this study were to characterize and identify correlates of fentanyl preference among people who use drugs (PWUD) in Rhode Island (RI). METHODS: Using bivariate analysis, we examined associations between fentanyl preference and sociodemographic and psychosocial characteristics at baseline among participants enrolled in the RI Prescription Drug and Illicit Drug Study from August 2020-February 2023. Fentanyl preference was operationalized based on responses to a five-point Likert scale: "I prefer using fentanyl or drugs that have fentanyl in them." Participants who responded that they "strongly disagree," "disagree," or were "neutral" with respect to this statement were classified as not preferring fentanyl, whereas participants who responded that they "agree" or "strongly agree" were classified as preferring fentanyl. RESULTS: Among 506 PWUD eligible for inclusion in this analysis, 15% expressed a preference for fentanyl or drugs containing fentanyl as their drug of choice. In bivariate analyses, preference for fentanyl was positively associated with younger age, white race, lifetime history of overdose, history of injection drug use, past month enrollment in a substance use treatment program, past month treatment with medications for opioid use disorder, and preferences for heroin and crystal methamphetamine (all p < 0.05). Descriptive data yielded further insight into reasons for fentanyl preference, the predominant having to do with perceived effects of the drug and desire to avoid withdrawal symptoms. CONCLUSIONS: Only a relatively small subset of study participants preferred drugs containing fentanyl. Given the increased prevalence of fentanyl contamination across substances within the unregulated drug market, the result for PWUD is increasingly less agency with respect to choice of drug; for example, people may be forced to use fentanyl due to restricted supply and the need to mitigate withdrawal symptoms, or may be using fentanyl without intending to do so. Novel and more effective interventions for PWUD, including increased access to age-appropriate harm reduction programs such as fentanyl test strips and overdose prevention centers, are needed to mitigate fentanyl-related harms.


Asunto(s)
Sobredosis de Droga , Fentanilo , Humanos , Rhode Island/epidemiología , Femenino , Masculino , Adulto , Persona de Mediana Edad , Sobredosis de Droga/epidemiología , Analgésicos Opioides , Consumidores de Drogas/psicología , Consumidores de Drogas/estadística & datos numéricos , Trastornos Relacionados con Opioides/epidemiología , Adulto Joven , Prioridad del Paciente , Abuso de Sustancias por Vía Intravenosa/epidemiología , Abuso de Sustancias por Vía Intravenosa/psicología
2.
J Subst Use Addict Treat ; 164: 209431, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-38852822

RESUMEN

INTRODUCTION: Mobile health units (MHUs) provide a variety of low-barrier services to populations that face systemic barriers to healthcare access. However, MHUs are not a common delivery method for medications to treat opioid use disorder (MOUD), and, of these, there is no consensus regarding MHU targeted objectives and outcomes. This scoping review seeks to summarize the state of the literature examining the delivery of MOUD by MHUs in the United States. METHODS: A search of PubMed, PsycInfo, and CINAHL on February 21, 2023, found 223 articles. Two authors completed title and abstract and full text reviews and extracted data relevant to intervention and study design, program objectives, and study outcomes. Ten articles fit the study's inclusion criteria (nine total interventions). RESULTS: Of the 10 studies, six were cohort designs, three were cross-sectional (one with qualitative interviews), and one study conducted qualitative interviews only. Most studies were located in the Northeastern United States. MHU interventions primarily aimed to provide MOUD and to retain populations in treatment. Two interventions aimed to engage patients and then transfer them to fixed-site MOUD providers. Across four interventions that provided buprenorphine, 1- and 3-month retention rates varied from 31.6 % to 72.3 % and 26.2 % to 58.5 %, respectively. Qualitative interviews found that MOUD delivery from the MHU was characterized by less stigma/judgment and greater privacy compared to fixed-site, and it was flexible and low-barrier. MHUs were reportedly underutilized by the target populations, suggesting a lack of awareness from community members with opioid use disorder. CONCLUSIONS: MHUs that deliver MOUD are both under-provided and -utilized. Future research should continue to assess MOUD provision from MHUs with an emphasis on robust study design, application to other formulations of MOUD, and evaluation of outcomes such as participant satisfaction and key informant perceived challenges. REGISTRATION: Submitted to Open Science Framework (OSF) Repository on February 6, 2023.


Asunto(s)
Unidades Móviles de Salud , Trastornos Relacionados con Opioides , Humanos , Trastornos Relacionados con Opioides/tratamiento farmacológico , Tratamiento de Sustitución de Opiáceos/métodos , Estados Unidos , Buprenorfina/uso terapéutico , Telemedicina
3.
AIDS Patient Care STDS ; 36(8): 291-299, 2022 08.
Artículo en Inglés | MEDLINE | ID: mdl-35951448

RESUMEN

More than 2 million people are incarcerated in the United States with many millions more processed through correctional facilities annually. Communities impacted by incarceration are also disproportionately impacted by the HIV and sexually transmitted infection (STI) epidemics. However, relatively little is known about the behaviors that place individuals with a history of incarceration at risk for HIV/STI acquisition. We utilized clinical data from patients presenting to an STI clinic located in Providence, Rhode Island. A latent class analysis was conducted on reported HIV acquisition risk behavior and STI testing results on a total of 1129 encounters where a history of incarceration was reported. A total of three classes were identified. Class 1 (N = 187, 11%), more frequently reported 10+ sexual partners (45%), an STI diagnosis (48%) and sex while intoxicated (86%) in the past year as well as identifying as a man who has sex with other men (60%). Class 2 (N = 57, 5%) was more likely to report giving (53%) and receiving (44%) money/drugs for sex in the past year as well as a history of injecting drugs (61%) and using methamphetamine (60%). Class 3 (N = 885, 78%) most frequently reported 0-2 sexual partners (48%), identified as Black (27%), Hispanic/Latino (69%) and a man who only has sex with women (80%). Class 1 had significantly higher odds ratio (1.8, 95% confidence interval = 1.3-2.5) of testing HIV/STI positive. The results provide important insights into risk subgroups for those with a history of incarceration at risk of HIV/STI acquisition.


Asunto(s)
Infecciones por VIH , Minorías Sexuales y de Género , Enfermedades de Transmisión Sexual , Instalaciones Correccionales , Femenino , Infecciones por VIH/epidemiología , Infecciones por VIH/prevención & control , Homosexualidad Masculina , Humanos , Masculino , Factores de Riesgo , Asunción de Riesgos , Conducta Sexual , Parejas Sexuales , Enfermedades de Transmisión Sexual/epidemiología , Enfermedades de Transmisión Sexual/prevención & control , Estados Unidos/epidemiología
4.
PLoS One ; 17(6): e0268587, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35648751

RESUMEN

BACKGROUND: Vaccines are effective in preventing Coronavirus Disease 2019 (COVID-19). Vaccine hesitancy defined as delay of acceptance or refusal of the vaccine is a major barrier to effective implementation. METHODS: Participants were recruited statewide through an English and Spanish social media marketing campaign conducted by a local news station during a one-month period as vaccines were becoming available in Rhode Island (from December 21, 2020 to January 22, 2021). Participants completed an online survey about COVID-19 vaccines and vaccine hesitancy with constructs and items adopted from the Health Belief Model. RESULTS: A total of 2,007 individuals completed the survey. Eight percent (n = 161) reported vaccine hesitancy. The sample had a median age of 58 years (interquartile range [IQR]: 45, 67), were majority female (78%), White (96%), Non-Hispanic (94%), employed (58%), and reported an annual individual income of $50,000 (59%). COVID-19 vaccine hesitancy was associated with attitudes and behaviors related to COVID-19. A one unit increase in concern about COVID-19 was associated with a 69% (Adjusted Odds Ratio: 0.31, 95% CI: 0.26-0.37) decrease in vaccine hesitancy. A one-level increase in the likelihood of getting influenza vaccine was associated with a 55% (AOR: 0.45 95% CI: 0.41-0.50) decrease in vaccine hesitancy. CONCLUSIONS: COVID-19 vaccine hesitancy was relatively low in a state-wide survey in Rhode Island. Future research is needed to better understand and tailor messaging related to vaccine hesitancy.


Asunto(s)
COVID-19 , Vacunas contra la Influenza , Anomalías Urogenitales , COVID-19/epidemiología , COVID-19/prevención & control , Vacunas contra la COVID-19 , Femenino , Humanos , Persona de Mediana Edad , Aceptación de la Atención de Salud , Rhode Island/epidemiología , Vacilación a la Vacunación
5.
AIDS Patient Care STDS ; 35(7): 271-277, 2021 07.
Artículo en Inglés | MEDLINE | ID: mdl-34242092

RESUMEN

Retention in HIV pre-exposure prophylaxis (PrEP) care is critical for effective PrEP implementation. Few studies have reported long-term lost to follow-up (LTFU) and re-engagement in PrEP care in the United States. Medical record data for all cisgender patients presenting to the major Rhode Island PrEP clinic from 2013 to 2019 were included. LTFU was defined as no PrEP follow-up appointment within 98 days. Re-engagement in care was defined as individuals who were ever LTFU and later attended a follow-up appointment. Recurrent event survival analysis was performed to explore factors associated with PrEP retention over time. Of 654 PrEP patients, the median age was 31 years old [interquartile range (IQR): 25, 43]. The majority were male (96%), White (64%), non-Hispanic (82%), and insured (97%). Overall, 72% patients were ever LTFU and 27% of those ever LTFU re-engaged in care. Female patients were 1.37 times [crude hazard ratio (cHR): 1.37; 95% confidence interval (CI): 0.86-2.18] more likely to be LTFU than male patients, and a 1-year increase in age was associated with a 1% lower hazard of being LTFU (cHR: 0.99; CI: 0.98-0.99). Being either heterosexual (aHR: 2.25, 95% (CI): 1.70-2.99] or bisexual (aHR: 2.35, 95% CI: 1.15-4.82) was associated with a higher hazard of loss to follow-up compared with having same-sex partners only. The majority of PrEP users were LTFU, especially at the first 6 months of PrEP initiation. Although a significant number were re-engaged in care, targeted interventions are needed to improve retention in PrEP care. This study characterized the natural projection of loss to follow-up and re-engagement in HIV PrEP care using a longitudinal clinic cohort data and explored associated factors for guiding future interventions to improve retention in PrEP care.


Asunto(s)
Fármacos Anti-VIH , Infecciones por VIH , Profilaxis Pre-Exposición , Minorías Sexuales y de Género , Adulto , Fármacos Anti-VIH/uso terapéutico , Femenino , Estudios de Seguimiento , Infecciones por VIH/tratamiento farmacológico , Infecciones por VIH/prevención & control , Humanos , Perdida de Seguimiento , Masculino , Estados Unidos
6.
R I Med J (2013) ; 104(5): 20-23, 2021 Jun 01.
Artículo en Inglés | MEDLINE | ID: mdl-34044432

RESUMEN

BACKGROUND: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its associated disease (COVID-19) are a significant cause of morbidity and mortality across the United States. Internal medicine (IM) residents are a critical component of the healthcare workforce yet their seroprevalence of SARS-CoV-2 antibodies is largely unknown. The aim of this research was to ascertain the seroprevalences of SARS-CoV-2 among internal medicine residents during the first peak of COVID-19. METHODS: IM residents were enrolled in a surveillance program that included PCR and antibody testing for SARS-CoV-2 in June 2020. Residents also completed a short questionnaire to obtain sociodemographic information and characterize potential workplace exposure to COVID-19. RESULTS: A total of 101 IM residents participated in the study (out of N=162). Of the 101 samples, three (2.9%) tested positive for SARS-CoV-2 antibodies. No residents tested PCR positive for SARS-CoV-2. DISCUSSION: The implementation of COVID-19 patient cohorting and the incorporation of telemedicine to communicate with hospitalized patients into clinical practice early in the pandemic may have prevented the spread of the virus among the surveyed clinical trainees. CONCLUSION: Despite significant engagement with COVID-19 patients, IM residents demonstrated a low rate of SARS-CoV-2 seroprevalence.


Asunto(s)
COVID-19/epidemiología , Medicina Interna/educación , Internado y Residencia , Adulto , Anticuerpos Antivirales/sangre , Biomarcadores/sangre , COVID-19/sangre , COVID-19/diagnóstico , COVID-19/transmisión , Prueba de COVID-19 , Femenino , Humanos , Transmisión de Enfermedad Infecciosa de Paciente a Profesional , Masculino , Exposición Profesional , Prevalencia , Rhode Island/epidemiología , Factores de Riesgo , SARS-CoV-2/inmunología , Estudios Seroepidemiológicos
7.
J Acquir Immune Defic Syndr ; 87(3): 937-943, 2021 07 01.
Artículo en Inglés | MEDLINE | ID: mdl-33734099

RESUMEN

BACKGROUND: The aim of this study was to evaluate the efficacy of a novel, brief 2-session behavioral intervention to promote HIV pre-exposure prophylaxis (PrEP) uptake among men who have sex with men (MSM) who are behaviorally at risk for HIV. SETTING: A pilot randomized controlled trial was conducted at a sexually transmitted infection (STI) clinic to compare a brief motivational interviewing intervention with passive referral only for PrEP uptake. METHODS: MSM who scored as "high risk" on the HIV Incidence Risk index for MSM was offered a brief (15-20 minutes) motivational interviewing-based intervention at the time of STI testing to address barriers to PrEP uptake, including low risk perception, stigma, side effects, and cost. The initial session was followed by a brief, telephone booster session that lasted <10 minutes. The primary outcome was attending a clinical PrEP appointment and accepting a prescription for PrEP. RESULTS: Participants were recruited from an urban STI clinic in the United States. A total of 86 MSM who were behaviorally at risk for HIV were enrolled in the study (N = 43 intervention; N = 43 treatment-as-usual, "TAU"). Participants randomized to the intervention were significantly more likely to attend a clinical appointment and accept a prescription for PrEP, compared with treatment-as-usual (52.3% versus 27.9%, respectively; odds ratio = 3.6; 95% confidence interval: 1.5 to 8.9; P = 0.005). CONCLUSIONS: A brief behavioral intervention focused on the initial steps in the PrEP care cascade demonstrated preliminary efficacy in promoting uptake among MSM who are behaviorally at risk for HIV.


Asunto(s)
Fármacos Anti-VIH/uso terapéutico , Terapia Conductista , Infecciones por VIH/prevención & control , Profilaxis Pre-Exposición , Adulto , Fármacos Anti-VIH/administración & dosificación , Homosexualidad Masculina , Humanos , Masculino , Proyectos Piloto , Factores de Riesgo , Conducta Sexual
8.
Arch Sex Behav ; 50(5): 2007-2016, 2021 07.
Artículo en Inglés | MEDLINE | ID: mdl-33759058

RESUMEN

COVID-19 has disproportionately affected vulnerable populations across the U.S. Street-based sex workers are one vulnerable population whose health and impact of COVID-19 have been understudied to date. The goal of this study was to evaluate findings from a community needs assessment with street-based sex workers on impact of COVID-19 on health behaviors and social circumstances. A brief survey was developed at a community-based harm reduction and recovery services organization. Surveys were administered by peer specialists to street-based sex workers during street outreach in April and May 2020. A total of 46 surveys were analyzed. Many individuals reported continuing to do sex work and use substances during the COVID pandemic. Slightly more than a quarter of individuals (n = 13; 28.3%) indicated using personal protective equipment while doing sex work and described challenges to using precautions when working with clients. Individuals had used marijuana (n = 32, 71.1%), cocaine (n = 17, 39.5%), prescription stimulants (n = 9, 21.4%), methamphetamines (n = 5, 11.9%), prescription opioids (n = 12, 27.3%), street opioids (n = 12, 27.3%), sedatives (n = 11, 25.0%), hallucinogens (n = 3, 6.8%), inhalants (n = 3, 7.0%), or some other substance (n = 4, 8.7%) in the past 30 days. About half (48.8%) reported that COVID-19 had a major impact on their lives. This study is among the first to characterize the impact of COVID-19 on street-based sex workers. From a public health standpoint, this group also represents a high-priority population given their vulnerability and close contact with others, which increases the potential for community spread.


Asunto(s)
COVID-19/epidemiología , Infecciones por VIH/epidemiología , Trabajadores Sexuales/estadística & datos numéricos , Poblaciones Vulnerables , Adolescente , Adulto , Femenino , Identidad de Género , Humanos , Masculino , Persona de Mediana Edad , SARS-CoV-2 , Sindémico , Adulto Joven
9.
Am J Public Health ; 111(4): 700-703, 2021 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-33600249

RESUMEN

Objectives. To characterize statewide seroprevalence and point prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Rhode Island.Methods. We conducted a cross-sectional survey of randomly selected households across Rhode Island in May 2020. Antibody-based and polymerase chain reaction (PCR)-based tests for SARS-CoV-2 were offered. Hispanics/Latinos and African Americans/Blacks were oversampled to ensure adequate representation. Seroprevalence estimations accounted for test sensitivity and specificity and were compared according to age, race/ethnicity, gender, housing environment, and transportation mode.Results. Overall, 1043 individuals from 554 households were tested (1032 antibody tests, 988 PCR tests). The estimated seroprevalence of SARS-CoV-2 antibodies was 2.1% (95% credible interval [CI] = 0.6, 4.1). Seroprevalence was 7.5% (95% CI = 1.3, 17.5) among Hispanics/Latinos, 3.8% (95% CI = 0.0, 15.0) among African Americans/Blacks, and 0.8% (95% CI = 0.0, 2.4) among non-Hispanic Whites. Overall PCR-based prevalence was 1.5% (95% CI = 0.5, 3.1).Conclusions. Rhode Island had low seroprevalence relative to other settings, but seroprevalence was substantially higher among African Americans/Blacks and Hispanics/Latinos. Rhode Island sits along the highly populated northeast corridor, making our findings broadly relevant to this region of the country. Continued monitoring via population-based sampling is needed to quantify these impacts going forward.


Asunto(s)
Prueba Serológica para COVID-19 , COVID-19 , Estudios Seroepidemiológicos , Adolescente , Adulto , Anciano , COVID-19/epidemiología , COVID-19/etnología , Niño , Preescolar , Estudios Transversales , Etnicidad/estadística & datos numéricos , Composición Familiar , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Persona de Mediana Edad , Rhode Island/epidemiología , Adulto Joven
10.
Sex Transm Dis ; 48(1): e5-e7, 2021 01.
Artículo en Inglés | MEDLINE | ID: mdl-33181578

RESUMEN

Coronavirus disease 2019 is responsible for a global pandemic and has impacted health care accessibility and delivery. Clinic data were reviewed for an STI clinic from September 2019 to May 2020. A significant decrease in rates of STI visits and treatments during the coronavirus disease 2019 pandemic was observed.


Asunto(s)
Instituciones de Atención Ambulatoria/estadística & datos numéricos , Atención Ambulatoria/estadística & datos numéricos , COVID-19/epidemiología , Accesibilidad a los Servicios de Salud/estadística & datos numéricos , Enfermedades de Transmisión Sexual/epidemiología , Humanos , Pandemias , Rhode Island , Enfermedades de Transmisión Sexual/prevención & control
12.
Sex Transm Dis ; 47(7): 431-433, 2020 07.
Artículo en Inglés | MEDLINE | ID: mdl-32355107

RESUMEN

Coronavirus disease (COVID-19) is responsible for a global pandemic. It is important to balance the need for access to healthcare services, including testing and treatment for sexually transmitted infections. Sexually transmitted infection programs must consider how to use limited resources and implement novel approaches to provide continued access to care.


Asunto(s)
Instituciones de Atención Ambulatoria/provisión & distribución , Infecciones por Coronavirus/epidemiología , Accesibilidad a los Servicios de Salud/organización & administración , Neumonía Viral/epidemiología , Servicios de Salud Reproductiva/provisión & distribución , Enfermedades de Transmisión Sexual , Betacoronavirus , COVID-19 , Infecciones por Coronavirus/complicaciones , Infecciones por Coronavirus/virología , Humanos , Pandemias , Neumonía Viral/complicaciones , Neumonía Viral/virología , SARS-CoV-2 , Enfermedades de Transmisión Sexual/virología
13.
J Cyst Fibros ; 17(2): 276-280, 2018 03.
Artículo en Inglés | MEDLINE | ID: mdl-28867260

RESUMEN

BACKGROUND: International guidelines recommend depression and anxiety screening in individuals with cystic fibrosis (CF), but Attention-Deficit Hyperactivity Disorder (ADHD) remains understudied. METHODS: Adults with CF (n=53) were screened using the Adult ADHD Self-Report Scale-v1.1 Symptom Checklist (ASRS-v1.1), Cystic Fibrosis Questionnaire-Revised (CFQ-R), and a self-report measure of treatment adherence. RESULTS: Elevated ADHD symptoms on the ASRS-v1.1 screener were reported by 15% of participants. Self-reported adherence, Body Mass Index in kg/m2 (BMI), and Forced Expiratory Volume in 1 Second, Percent Predicted (FEV1%pred) did not differ between participants with vs. without elevated ADHD scores. Three CFQ-R scales, Physical Functioning, Role Functioning, and Respiratory Symptoms, were significantly lower in participants with elevated ADHD screens (unadjusted p<0.05). This difference remained statistically significant for the Role Functioning and Respiratory Symptoms scales following correction for multiple comparisons. CONCLUSIONS: The highly specific screening tool ASRS-v1.1 can ascertain previously undetected ADHD symptoms in adults with CF. ADHD was substantially more prevalent than expected in this population. Elevated ASRS-v1.1 screens correlated with poorer Health-Related Quality of Life (HRQoL) in some domains, but not with BMI, FEV1%pred, or self-reported CF treatment adherence. Additional research will elucidate the impact of ADHD and its treatment on HRQoL, CF self-care and health outcomes.


Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad/diagnóstico , Trastorno por Déficit de Atención con Hiperactividad/epidemiología , Fibrosis Quística/psicología , Calidad de Vida , Cumplimiento y Adherencia al Tratamiento , Adulto , Fibrosis Quística/terapia , Femenino , Estado de Salud , Humanos , Masculino , Persona de Mediana Edad , Proyectos Piloto , Prevalencia , Encuestas y Cuestionarios , Adulto Joven
14.
Schizophr Bull ; 35(3): 582-95, 2009 May.
Artículo en Inglés | MEDLINE | ID: mdl-19357239

RESUMEN

Previous surveys found a large (>10-fold) variation in schizophrenia prevalence at different geographic sites and a tendency for prevalence to increase with latitude. We conducted meta-analyses of prevalence studies to investigate whether these findings pointed to underlying etiologic factors in schizophrenia or were the result of methodological artifacts or the confounding of sites' latitude with level of healthcare at those sites. We found that these patterns were still present after controlling for an index of healthcare--infant mortality--and focusing on 49 studies that used similar diagnostic and ascertainment methods. The tendencies for schizophrenia prevalence to increase with both latitude and colder climate were still large and significant and present on several continents. The increase in prevalence with latitude was greater for groups with low fish consumption, darker skin, and higher infant mortality--consistent with a role of prenatal vitamin D deficiency in schizophrenia. Previous research indicates that poor prenatal healthcare and nutrition increase risk for schizophrenia within the same region. These adverse conditions are more prevalent in developing countries concentrated near the equator, but schizophrenia prevalence is lowest at sites near the equator. This suggests that schizophrenia-producing environmental factors associated with higher latitude may be so powerful they overwhelm protective effects of better healthcare in industrialized countries. The observed patterns of correlations of risk factors with prevalence are consistent with an etiologic role for prenatal vitamin D deficiency and exposure to certain infectious diseases. Research to elucidate environmental factors that underlie variations in schizophrenia prevalence deserves high priority.


Asunto(s)
Infecciones/epidemiología , Efectos Tardíos de la Exposición Prenatal/epidemiología , Esquizofrenia/epidemiología , Esquizofrenia/etiología , Deficiencia de Vitamina D/epidemiología , Animales , Clima , Estudios Transversales , Etnicidad/estadística & datos numéricos , Conducta Alimentaria , Femenino , Peces , Encuestas Epidemiológicas , Humanos , Mortalidad Infantil , Recién Nacido , Infecciones/complicaciones , Embarazo , Atención Prenatal , Pigmentación de la Piel , Estadística como Asunto , Topografía Médica , Deficiencia de Vitamina D/complicaciones
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