Sekhri, Tarun, Rashmi Aggarwal, Pradeep Chugh, Shreeshail Belagavi, and Hemant Aggarwal. “Vitamin B12 Deficiency in Patients With Type 2 Diabetes Mellitus”. International Journal of Advances in Medicine 6, no. 3 (May 24, 2019): 851–853. Accessed January 2, 2026. https://www.ijmedicine.com/index.php/ijam/article/view/1637.