title: Understanding controlled trials. What is a patient preference trial?
authors.affiliation: National Primary Care Research and Development Centre, University of York.
authors.forename: D J
authors.initials: DJ
authors.lastname: Torgerson
authors.forename: B
authors.initials: B
authors.lastname: Sibbald
mesh_terms: D006801:Humans; D017060:Patient Satisfaction; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000592:standards; D012107:Research Design; D015983:Selection Bias