Medicare part B carrier approved charges in 1988.
McMenamin
P
P
D014487:Centers for Medicare and Medicaid Services, U.S.; D005102:Health Expenditures / Q000639:trends*; D006801:Humans; D007357:Insurance, Physician Services / Q000191:economics*; D006278:Medicare / Q000191:economics*; D012052:Reimbursement, Incentive; D014481:United States