title: Primary nephrectomy for Wilms' tumor: approach of the National Wilms' Tumor Study Group.
authors.forename: M L
authors.initials: ML
authors.lastname: Ritchey
mesh_terms: D002985:Clinical Protocols; D006801:Humans; D007680:Kidney Neoplasms / Q000601:surgery*; D009392:Nephrectomy / Q000379:methods*; D011300:Preoperative Care; D009396:Wilms Tumor / Q000601:surgery*