title: Sources of the growth in Medicare physician expenditures.
authors.affiliation: George Washington University School of Medicine, Washington, DC.
authors.forename: R
authors.initials: R
authors.lastname: Berenson
authors.forename: J
authors.initials: J
authors.lastname: Holahan
mesh_terms: D004470:Economics, Medical; D005251:Fees, Medical / Q000639:trends*; D016345:Medicare Part B / Q000191:economics*; D010818:Practice Patterns, Physicians' / Q000191:economics*; D013038:Specialization; D013043:Specialties, Surgical / Q000191:economics; D014481:United States