Lokor O, Yovwin D. G, Okonkwo C. A. “Biosocial Determinants of Age at Menarche Among Secondary School Girls in Benin City, Nigeria”. Pakistan Journal of Medical & Health Sciences 16, no. 03 (April 27, 2022): 655. Accessed November 21, 2024. https://mail.pjmhsonline.com/index.php/pjmhs/article/view/576.