El-Shafie, Kawther, Nafisa Samir, Ritu Lakhtakia, Robin Davidson, Ahmed Al-Waili, Muna Al-Mamary, and Mohammed Al-Shafee. “Localised Skin Hyperpigmentation As a Presenting Symptom of Vitamin B12 Deficiency Complicating Chronic Atrophic Gastritis”. Sultan Qaboos University Medical Journal 15, no. 3 (August 1, 2015): 420–423. Accessed May 25, 2025. https://journals.squ.edu.om/index.php/squmj/article/view/2053.