Physical Activity and Menstrual Disorders Аmong School Girls in Southern Egypt. International Journal of Studies in Nursing, [S. l.], v. 4, n. 3, p. p54, 2019. DOI: 10.20849/ijsn.v4i3.614. Disponível em: https://journal.chapjulypress.org/index.php/ijsn/article/view/2518. Acesso em: 7 mar. 2026.