Kanna S., Suresh, Srinivasa Rao Gopisetty, Kavuru Naga Siri, Nitharsha Prakash, and Goutham Kumar A. P. “Metformin Causes Vitamin B12 Deficiency”. Journal of Coastal Life Medicine 11, no. 1 (January 27, 2023): 239–243. Accessed June 12, 2024. https://www.jclmm.com/index.php/journal/article/view/317.