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 [Internet]. 2022 Apr. 27 [cited 2024 Aug. 17];16(03):655. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/576