HARUNA, Iman; YAKASAI, Ahmad; HARUNA, Sadiya; YAU, Jamila; JAAFAR, Yusuf; MUHAMMAD, Hamza; TUKUR, Jamilu. Health Facility-Based Maternal Mortality in Nigeria: A Systematic Review and Meta-analysis. Nigerian Journal of Basic and Clinical Sciences, Nigeria, v. 20, n. 2, p. 101–108, 2026. DOI: 10.65843/jbpc8618. Disponível em: https://njbcs.ng/index.php/njbcs/article/view/1167. Acesso em: 1 may. 2026.