“Correlation and Association of Serum B12 Levels in Type-2 Diabetes Mellitus Patients Treated with Metformin: A Study Conducted at a Tertiary Care Hospital of Gujarat” (2024) GAIMS Journal of Medical Sciences, 5(1 (Jan-Jun), pp. 75–81. Available at: http://gjms.gaims.ac.in/ojs/index.php/gjms/article/view/305 (Accessed: 10 October 2025).