Enlace original:
https://apps.who.int/iris/handle/10665/65794
Storey, J
,
Kilama, W
,
Payne, D
,
Leng, Yap Pak
,
World Health Organization
,
[Spread of pyrimethamine-resistant strains of Plasmodium falciparum into new areas of North-East Tanzania in the absence of drug pressure / by R. L. Kouznetsov ... [et al.]]