Health care problems in the 1980s: Part III. A new research agenda: incentive payments for urban physicians.
D006801:Humans; D008484:Medicaid / Q000191:economics; D006278:Medicare / Q000191:economics; D010820:Physicians; D012051:Reimbursement Mechanisms; D012052:Reimbursement, Incentive; D014481:United States; D014505:Urban Population