Problems with evidence assessment in COVID-19 health policy impact evaluation: a systematic review of study design and evidence strength.
BMJ Open
; 12(1): e053820, 2022 01 11.
Article
in En
| MEDLINE
| ID: mdl-35017250
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
COVID-19
Type of study:
Evaluation_studies
/
Observational_studies
/
Prevalence_studies
/
Prognostic_studies
/
Risk_factors_studies
/
Systematic_reviews
Limits:
Humans
Language:
En
Journal:
BMJ Open
Year:
2022
Document type:
Article
Affiliation country:
United States
Country of publication:
United kingdom