Mohammed S, Dong H. Tackling Millennium Development Goals (MDGs) 4 and 5: the National Health Insurance Scheme (NHIS) approach in Nigeria. J Public Health Afr [Internet]. 2012 Mar. 7 [cited 2023 Dec. 3];3(1):e9. Available from: https://www.publichealthinafrica.org/jphia/article/view/jphia.2012.e9