Medicare survey offers data, trends in drug utilization, costs.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D014487:Centers for Medicare and Medicaid Services, U.S.; D003625:Data Collection; D003710:Demography; D016527:Drug Costs / Q000639:trends*; D017723:Drug Utilization Review / Q000639:trends*; D005260:Female; D006305:Health Status Indicators; D006801:Humans; D008297:Male; D006278:Medicare / Q000639:trends*; D008875:Middle Aged; D014481:United States / Q000453:epidemiology