title: Is your 'double-blind' design truly double-blind?
authors.affiliation: Whiston Hospital, Prescot, Merseyside.
authors.forename: A
authors.initials: A
authors.lastname: Oxtoby
authors.forename: A
authors.initials: A
authors.lastname: Jones
authors.forename: M
authors.initials: M
authors.lastname: Robinson
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D004311:Double-Blind Method; D006801:Humans; D010506:Periodicals as Topic / Q000592:standards; D012107:Research Design / Q000592:standards