Enlace original:
https://apps.who.int/iris/handle/10665/72941
Ali, Mohammed
,
Asefaw, Teklehaimanot
,
Byass, Peter
,
Beyene, Hagos
,
Pedersen, F. Karup
,
[Helping northern Ethiopian communities reduce childhood mortality : population-based intervention trial / Mohammed Ali .... [et al.]]