OYO-ITA, A. . E.; KALU, Q. N.; MKPANAM, N. E.; IKPEME, B. M.; ETUK, S. J. Knowledge of reproductive health issues among secondary school adolescents in Calabar, Nigeria. Global Journal of Medical Sciences, [S. l.], v. 3, n. 1, p. 5–8, 2004. DOI: 10.4314/gjms.v3i1.10133. Disponível em: https://www.ajol.info/index.php/gjms/article/view/10133. Acesso em: 18 oct. 2026.