title: Hospital outpatient PPS evolving slowly.
authors.forename: P L
authors.initials: PL
authors.lastname: Grimaldi
mesh_terms: D000553:Ambulatory Care / Q000145:classification / Q000191:economics; D014487:Centers for Medicare and Medicaid Services, U.S.; D003631:Day Care, Medical / Q000191:economics; D003669:Deductibles and Coinsurance; D006278:Medicare / Q000191:economics; D010044:Outpatient Clinics, Hospital / Q000191:economics*; D011445:Prospective Payment System / Q000458:organization & administration*; D014481:United States