Onwujekwe, O; Chima, R; Shu, E; Nwagbo, D; Akpala, C; Okonkwo, P; (2002) Altruistic willingness to pay in community-based sales of insecticide-treated nets exists in Nigeria. Social science & medicine (1982), 54 (4). pp. 519-27. ISSN 0277-9536 DOI: https://doi.org/10.1016/S0277-9536(01)00047-8 Full text not available from this repository.

Onwujekwe, O; Shu, E; Onwuameze, O; Ndum, C; Okonkwo, P; (2001) Onchocerciasis control in Nigeria: will households be able to afford community-directed treatment with ivermectin? Acta tropica, 80 (3). pp. 277-281. ISSN 0001-706X DOI: https://doi.org/10.1016/S0001-706X(01)00162-0 Full text not available from this repository.