Elfadil, Ghada Abdelrahman, Nosiba Ahmed Mohammed, Abdelgadir Elmugadam, Marwan Ismail, Abd Elgadir Alamin Altoum, and Ahmed L. Osman. “Vitamin D Deficiency Among Females With Acne Vulgaris in Relation to Sun Exposure: A Cross-Sectional Study”. Open Access Macedonian Journal of Medical Sciences 9, no. B (October 16, 2021): 1301–1304. Accessed May 3, 2024. https://oamjms.eu/index.php/mjms/article/view/7140.