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Consistency of causal claims in observational studies: a review of papers published in a general medical journal
OBJECTIVE: To evaluate the consistency of causal statements in observational studies published in The BMJ. DESIGN: Review of observational studies published in a general medical journal. DATA SOURCE: Cohort and other longitudinal studies describing an exposure-outcome relationship published in The B...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8141434/ https://www.ncbi.nlm.nih.gov/pubmed/34016660 http://dx.doi.org/10.1136/bmjopen-2020-043339 |