title: The problem of the poor control arm in surgical randomized controlled trials.
authors.affiliation: Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany.
authors.forename: O
authors.initials: O
authors.lastname: Strobel
authors.forename: M W
authors.initials: MW
authors.lastname: Büchler
mesh_terms: D035061:Control Groups; D013502:General Surgery / Q000592:standards*; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000592:standards*