ProPAC: PPS margin still high.
Weissenstein
E
E
D003625:Data Collection; D004469:Economics, Hospital / Q000639:trends*; D006801:Humans; D016344:Medicare Part A / Q000706:statistics & numerical data* / Q000639:trends; D011445:Prospective Payment System / Q000706:statistics & numerical data* / Q000639:trends; D014481:United States