Maternal survival: more research is needed.
Belizán
José M
JM
Buekens
Pierre
P
Althabe
Fernando
F
Bergel
Eduardo
E
D003906:Developing Countries; D005260:Female; D006301:Health Services Needs and Demand; D006801:Humans; D008427:Maternal Health Services / Q000458:organization & administration*; D008428:Maternal Mortality