title: Perspectives. Keeping an eye on the pie.
authors: J O
authors: JO
authors: Wiener
mesh_terms: D004469:Economics, Hospital / Q000639:trends*; D005544:Forecasting; D005102:Health Expenditures / Q000706:statistics & numerical data*; D011444:Prospective Payment Assessment Commission; D011445:Prospective Payment System; D014481:United States