Idries A. Telfah, Muhamed J. Khderat, Muhtadi A. Rawashdeh, Khaled M. Al-khasawneh, and Mohammad H. Khamayse. “The Impact of Covid-19 Infection and Vaccinations on the Menstrual Cycle”. Scholastic: Journal of Natural and Medical Education, vol. 2, no. 8, Aug. 2023, pp. 32-39, https://univerpubl.com/index.php/scholastic/article/view/2430.