K. Ali, S. Ahmed, A. Khaliq, A. Peter, J. Gul, and A. Habib, “ASSOCIATION OF VITAMIN B12 DEFICIENCY AND METFORMIN USE IN PATIENTS PRESENTING WITH TYPE II DIABETES MELLITUS”, Pak Armed Forces Med J, vol. 70, no. 5, pp. 1495–98, Oct. 2020, Accessed: Jul. 06, 2024. [Online]. Available: https://pafmj.org/PAFMJ/article/view/5593