Factors governing utilization of hospital services.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002391:Catchment Area, Health; D002648:Child; D005260:Female; D006300:Health Services Misuse; D006484:Hemorrhoids / Q000601:surgery; D059685:Herniorrhaphy; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D007044:Hysterectomy; D008281:Maine; D008297:Male; D011468:Prostatectomy; D012040:Regional Health Planning; D013514:Surgical Procedures, Operative; D014068:Tonsillectomy; D014648:Varicose Veins / Q000601:surgery; D014707:Vermont