Shariff, Fonda Octarianingsih, and Fezagustia Rizdanti. “Secondary Amenorrhea”. Medical Profession Journal of Lampung 14, no. 5 (April 25, 2024): 825-830. Accessed April 17, 2026. http://www.journalofmedula.com/index.php/medula/article/view/1022.