title: External validity of randomised controlled trials in idiopathic pulmonary fibrosis.
authors.forename: M
authors.initials: M
authors.lastname: Thomeer
mesh_terms: D006801:Humans; D011658:Pulmonary Fibrosis / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D015203:Reproducibility of Results