Charging for health services in developing countries.
J A
JA
Owa
A I
AI
Osinaike
A M
AM
Costello
D005251:Fees, Medical / Q000639:trends*; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data*; D006801:Humans; D008427:Maternal Health Services / Q000191:economics*; D009549:Nigeria; D011247:Pregnancy