title: How to ... do a randomized controlled trial.
authors.affiliation: University Dental Hospital of Manchester, UK. Kevin.O'Brien@man.ac.uk
authors.forename: K D
authors.initials: KD
authors.lastname: O'Brien
authors.forename: J L
authors.initials: JL
authors.lastname: Wright
authors.forename: N A
authors.initials: NA
authors.lastname: Mandall
mesh_terms: D017408:Guidelines as Topic; D006801:Humans; D009970:Orthodontics; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design