TY - GEN AU - Traska,M R TI - Payment changes could hurt HMOs SN - 0018-5973 PY - 1986///0415 KW - Centers for Medicare and Medicaid Services, U.S KW - Contract Services KW - economics KW - Health Maintenance Organizations KW - Medicare KW - Reimbursement Mechanisms KW - United States N1 - Publication Type: Journal Article ER -