TY - GEN AU - Owa,J A AU - Osinaike,A I AU - Costello,A M TI - Charging for health services in developing countries SN - 0140-6736 PY - 1992///1015 KW - Fees, Medical KW - trends KW - Female KW - Health Services KW - statistics & numerical data KW - Humans KW - Maternal Health Services KW - economics KW - Nigeria KW - Pregnancy N1 - Publication Type: Letter; Comment ER -