TY - GEN AU - Stevens,C TI - Washington steps up its drive for Medicare PPOs SN - 0025-7206 PY - 1988///0825 KW - Centers for Medicare and Medicaid Services, U.S KW - Insurance, Health KW - economics KW - Medicare KW - organization & administration KW - Pilot Projects KW - Preferred Provider Organizations KW - United States N1 - Publication Type: Journal Article ER -