Current Medicare Survey report. Supplementary medical insurance: utilization and charges for the aged 1974.
D000368:Aged; D003710:Demography; D005249:Fees and Charges; D005260:Female; D006296:Health Services / Q000191:economics / Q000706:statistics & numerical data*; D006801:Humans; D007357:Insurance, Physician Services / Q000191:economics / Q000706:statistics & numerical data; D008297:Male; D006278:Medicare / Q000191:economics / Q000706:statistics & numerical data*; D013223:Statistics as Topic; D014481:United States