title: ProPAC: PPS margin still high.
authors.forename: E
authors.initials: E
authors.lastname: Weissenstein
mesh_terms: 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