Variations in medical care among small areas.
D001062:Appendectomy; D002391:Catchment Area, Health; D002763:Cholecystectomy; D005260:Female; D059685:Herniorrhaphy; D006764:Hospitals, Community / Q000706:statistics & numerical data*; D006801:Humans; D007044:Hysterectomy; D007359:Insurance, Surgical; D008297:Male; D009511:New England; D010819:Physician's Role; D010820:Physicians / Q000600:supply & distribution; D011468:Prostatectomy; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data*; D014068:Tonsillectomy