NJEMANZE, Philip C.; OKORO, Iheanyichukwu O. Predictive Value of Institutional Impact Factor as an Indirect Measure of Maternal Mortality in Nigeria: A Systematic Review. Nigerian Journal of General Practice, [S. l.], v. 13, n. 1, p. 3–11, 2015. DOI: 10.60787/njgp.v13i1.141. Disponível em: https://www.njgp.net.ng/index.php/home/article/view/141.. Acesso em: 3 may. 2025.