Geographic variation in Medicare spending.
Epstein
Arnold M
AM
D019937:Diagnostic Techniques and Procedures / Q000706:statistics & numerical data; D005843:Geography; D006291:Health Policy; D006801:Humans; D006278:Medicare / Q000191:economics* / Q000706:statistics & numerical data; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D012111:Residence Characteristics; D020379:Risk Adjustment; D014481:United States