Siddiqi, F. A., L. Yaseen, A. Ashraf, K. A. Siddiqi, S. Ashraf, and I. Khan. “Association of Metformin Use With Deficiency of Vitamin B-12 And Folate And Peripheral Neuropathy In Adults With Type 2 Diabetes Mellitus”. Journal of Rawalpindi Medical College, vol. 30, no. 1, Mar. 2026, doi:10.37939/jrmc.v30i1.2848.