Environmental and Socio-demographic Determinants of the Age at Menarche among Secondary School Girls in the Niger-Delta Region of Nigeria. African Journal of Tropical Medicine and Biomedical Research, [S. l.], v. 1, n. 3, p. 43–49, 2020. Disponível em: https://ajtmbr.org.ng/index.php/home/article/view/16.. Acesso em: 21 nov. 2024.