title: Surgery: Limitations of prospective surgical oncology trials - a US view.
authors.affiliation: University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-8548, USA.
authors.forename: Charles M
authors.initials: CM
authors.lastname: Balch
authors.affiliation: Mayo Clinic, 200 First Street SW, Rochester, Minnesota 55905, USA.
authors.forename: Heidi
authors.initials: H
authors.lastname: Nelson
authors.affiliation: Inova Fairfax Hopsital, Cancer Center, 3300 Gallows Road, Falls Church, Virginia 22042, USA.
authors.forename: John E
authors.initials: JE
authors.lastname: Niederhuber
mesh_terms: D035843:Biomedical Research; D002986:Clinical Trials as Topic / Q000592:standards / Q000706:statistics & numerical data; D019317:Evidence-Based Medicine; D006801:Humans; D008495:Medical Oncology; D009369:Neoplasms / Q000601:surgery*; D011379:Prognosis; D011446:Prospective Studies; D014481:United States