Quality of anti-malarial drugs provided by public and private healthcare providers in south-east NigeriaObinna Onwujekwe, Paul O. Okonkwo, Kara Hanson et al.|Malaria Journal|2009Cited by 118
Economic burden of malaria illness on households versus that of all other illness episodes: a study in five malaria holo-endemic Nigerian communitiesObinna Onwujekwe, Paul O. Okonkwo, Reginald Chima|Health Policy|2000Cited by 116