title: Not-so-surprising findings.
authors.forename: Sebastian
authors.initials: S
authors.lastname: Schneeweiss
authors.forename: Daniel H
authors.initials: DH
authors.lastname: Solomon
mesh_terms: D016021:Epidemiologic Studies; D006801:Humans; D016017:Odds Ratio; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic; D012107:Research Design