An Exploratory Study of Menstruation and Menstrual Hygiene Knowledge Among Adolescents in Urban and Rural Secondary Schools in Cross River State, Nigeria. AJBR [Internett]. 30. september 2020 [sitert 6. april 2026];23(3):321-6. Tilgjengelig på: https://ojshostng.com/index.php/ajbr/article/view/494