title: Randomized clinical trials in surgery: why do we need them?
authors.forename: Charles M
authors.initials: CM
authors.lastname: Balch
mesh_terms: D023381:Endpoint Determination; D006801:Humans; D008495:Medical Oncology / Q000592:standards*; D017712:Peer Review, Research / Q000592:standards*; D011643:Publishing; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000592:standards*; D012107:Research Design / Q000592:standards; D013903:Thoracic Surgery