title: Clinical trials: a summary.
authors.affiliation: Section of Preventive Cardiology, The Cardiovascular Institute, Göteborg University, Drakegatan 6, SE-412 50 Göteborg, Sweden. lars.wilhelmsen@scri.se
authors.forename: L
authors.initials: L
authors.lastname: Wilhelmsen
authors.forename: P
authors.initials: P
authors.lastname: Held
authors.forename: H
authors.initials: H
authors.lastname: Wedel
mesh_terms: D006801:Humans; D017410:Practice Guidelines as Topic; D011643:Publishing / Q000639:trends; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000592:standards; D012107:Research Design; D018401:Sample Size; D013223:Statistics as Topic / Q000379:methods