title: The nature of clinical trials in nephrology.
authors.forename: W K
authors.initials: WK
authors.lastname: Bolton
mesh_terms: D002986:Clinical Trials as Topic / Q000266:history / Q000379:methods / Q000706:statistics & numerical data; D004992:Ethics, Medical; D049673:History, 20th Century; D006801:Humans; D007674:Kidney Diseases / Q000266:history / Q000628:therapy; D009398:Nephrology / Q000266:history; D014481:United States