ROBERT L. MATCHOCK, PHD. Menstrual Patterns and Age of Menarche in Young Women from the United States. Women’s Health, [S. l.], p. 8–14, 2023. DOI: 10.17140/WHOJ-9-150. Disponível em: https://openventio.us/index.php/WH/article/view/10. Acesso em: 6 nov. 2026.