MUHAMMAD, A. M.; HABIBULLAH, A.; MUHAMMAD, I. A.; MUHAMMED, A.; NAKAKANA, U. N.; MUHAMMAD, H. T. Knowledge of modern contraceptives among undergraduate students of College of Health Sciences of Usmanu Danfodiyo University Sokoto, Nigeria. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 6, p. 2100–2105, 2018. DOI: 10.18203/2320-1770.ijrcog20182317. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/4845. Acesso em: 14 oct. 2025.