title: Statistics notes: blinding in clinical trials and other studies.
authors.affiliation: Leo Pharmaceuticals, Princes Risborough, Buckinghamshire HP27 9RR.
authors.forename: S J
authors.initials: SJ
authors.lastname: Day
authors.forename: D G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D004311:Double-Blind Method; D006801:Humans; D016037:Single-Blind Method