"Unnecessary surgery": an update.
D003362:Cost-Benefit Analysis; D004739:England; D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007603:Jurisprudence; D007883:Legislation, Medical; D010380:Peer Review; D012017:Referral and Consultation; D013514:Surgical Procedures, Operative / Q000191:economics / Q000706:statistics & numerical data; D014481:United States; D014600:Utilization Review