title: Randomised controlled trials in cystic fibrosis: what, when and how?
authors.forename: P D
authors.initials: PD
authors.lastname: Sly
authors.forename: R S
authors.initials: RS
authors.lastname: Ware
authors.forename: N
authors.initials: N
authors.lastname: de Klerk
authors.forename: S M
authors.initials: SM
authors.lastname: Stick
mesh_terms: D000328:Adult; D002648:Child; D003550:Cystic Fibrosis / Q000188:drug therapy* / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D016896:Treatment Outcome