Hassen, M., Hussen, M., Fantaw, S., Kayro, M., Kusse, S., Worku, S. and Melke, A. 2024. Prevalence of primary dysmenorrhea and associated factors among high school students in Hawassa, Sidama Region, Ethiopia. Ethiopian Journal of Medical and Health Sciences. 3, 2 (Oct. 2024), 293-302.