An Exploratory Study of Menstruation and Menstrual Hygiene Knowledge Among Adolescents in Urban and Rural Secondary Schools in Cross River State, Nigeria. AJBR [Internet]. 30. September 2020 [zitiert 6. April 2026];23(3):321-6. Verfügbar unter: https://ojshostng.com/index.php/ajbr/article/view/494