Qin C, Arbas R. Prevalence and Risk Factors of Primary Dysmenorrhea Among Female College Students in Shandong Province, China and Its Association with Academic Performance: Basis for Targeted Intervention Framework. IJPHMR [Internet]. 2025 Mar. 27 [cited 2026 Jun. 12];3(2):76-80. Available from: https://metadata.wepub.org/index.php/IJPHMR/article/view/5262