Cost sharing and use of health services. The United Mine Workers of America Health Plan.
D000553:Ambulatory Care / Q000706:statistics & numerical data; D003032:Coal Mining; D003669:Deductibles and Coinsurance; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data*; D006761:Hospitals / Q000706:statistics & numerical data; D006801:Humans; D007750:Labor Unions; D008297:Male; D008875:Middle Aged; D010414:Pennsylvania; D014903:West Virginia