Uzochukwu, B., Ughasoro, M., Etiaba, E., Okwuosa, C., Envuladu, E., & Onwujekwe, O. (2015). Health care financing in Nigeria: Implications for achieving universal health coverage. Nigerian Journal of Clinical Practice, 18(4), 437–444. https://doi.org/10.4103/1119-3077.154196