"Cutaneous Hyperpigmentation: A Rare Extra-Intestinal Manifestation of Celiac Disease". Hadhramout University Journal of Natural & Applied Sciences 15, no. 2 (ديسمبر 3, 2023). تاريخ الوصول يوليو 29, 2026. https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/137.