title: Analysis of therapeutic efficacy in observational cohort studies.
authors.forename: B
authors.initials: B
authors.lastname: Schneider
mesh_terms: D001699:Biometry / Q000379:methods; D015331:Cohort Studies; D004341:Drug Evaluation / Q000379:methods*; D006801:Humans; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic; D012189:Retrospective Studies