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期刊名:British medical journal

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ISSN:0959-535X

e-ISSN:1756-1833

IF/分区:55.1/Q1

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共收录本刊相关文章索引65978
Clinical Trial Case Reports Meta-Analysis RCT Review Systematic Review
Classical Article Case Reports Clinical Study Clinical Trial Clinical Trial Protocol Comment Comparative Study Editorial Guideline Letter Meta-Analysis Multicenter Study Observational Study Randomized Controlled Trial Review Systematic Review
Zexing Song,Cecilie Jespersen,Asbjørn Hróbjartsson et al. Zexing Song et al.
Objectives: To study the prevalence and characteristics of outcome switching, the completeness of outcome prespecification, and factors associated with outcome switching in observational cohort studies of interventions. ...