ABDUL, A. E.; OLOYEDE, T.; YUSUF, S.; GAMBO, A. Comparative study of serum calcium in pre-eclamptic and normotensive pregnant women at Federal Teaching Hospital Katsina. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 12, n. 9, p. 2595–2599, 2023. DOI: 10.18203/2320-1770.ijrcog20232710. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/13357. Acesso em: 13 oct. 2025.