Sources of the growth in Medicare physician expenditures.
Berenson
R
R
George Washington University School of Medicine, Washington, DC.
Holahan
J
J
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