KEBEDE, E.; MESFIN, E. .; SINGH, M. R. . Age at menarche; Factors that Influence It, and Menstrual Pattern of Secondary School Adolescents in Addis Ababa, Ethiopia. Ethiopian Medical Journal, [S. l.], v. 59, n. 04, 2021. Disponível em: https://www.emjema.org/index.php/EMJ/article/view/1735. Acesso em: 28 apr. 2024.