Once upon a time, in the year 2002 ....
Weissenstein
E
E
Gardner
J
J
D000368:Aged; D005544:Forecasting; D006279:Health Maintenance Organizations / Q000592:standards*; D006801:Humans; D006278:Medicare / Q000639:trends*; D011787:Quality of Health Care / Q000639:trends*; D014481:United States