Variations in the incidence of surgery.
D000233:Adenoidectomy; D000293:Adolescent; D001062:Appendectomy; D002763:Cholecystectomy; D003365:Costs and Cost Analysis; D005194:Family Practice; D013502:General Surgery; D006276:Health Facility Size; D006484:Hemorrhoids / Q000601:surgery; D059685:Herniorrhaphy; D006801:Humans; D007348:Insurance, Health; D007615:Kansas; D013223:Statistics as Topic; D013514:Surgical Procedures, Operative; D014068:Tonsillectomy; D014648:Varicose Veins / Q000601:surgery; D000078329:Workforce