title: Diagnosis-related groups: past and future.
authors.affiliation: Department of Internal Medicine, University of Michigan, Ann Arbor 48109-0376.
authors.forename: L F
authors.initials: LF
authors.lastname: McMahon
mesh_terms: D003953:Diagnosis-Related Groups; D006801:Humans; D010361:Patients / Q000145:classification; D011445:Prospective Payment System / Q000639:trends; D014481:United States