NJBCS, Author. Obstetric Performance of Women with Advanced Maternal Age in Ahmadu Bello University Teaching Hospital, Zaria. Nigerian Journal of Basic and Clinical Sciences, Nigeria, v. 18, n. 1, 2026. DOI: 10.65843/e5dfer52. Disponível em: https://njbcs.ng/index.php/njbcs/article/view/1224. Acesso em: 2 may. 2026.