Variation in surgical rates: fact vs. fantasy.
D000233:Adenoidectomy / Q000706:statistics & numerical data; D003362:Cost-Benefit Analysis; D006801:Humans; D007044:Hysterectomy / Q000706:statistics & numerical data; D008350:Manitoba; D012525:Saskatchewan; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data*; D014068:Tonsillectomy / Q000706:statistics & numerical data; D014481:United States