title: The first three years of PPS: impact on Medicare costs.
authors.forename: S H
authors.initials: SH
authors.lastname: Sheingold
mesh_terms: D003953:Diagnosis-Related Groups / Q000191:economics; D005377:Financial Management, Hospital; D005102:Health Expenditures / Q000639:trends*; D006801:Humans; D007902:Length of Stay; D006278:Medicare / Q000191:economics*; D011445:Prospective Payment System / Q000191:economics*; D012720:Severity of Illness Index; D014481:United States