Rehman, F.U., Khan, K., Ullah, I., Mansoor, J., Manzoor, R., Khan, H., Raheem, A. and Kakar, S.U. 2025. Frequency of Vitamin B12 Deficiency Among Patients with Diabetes. Indus Journal of Bioscience Research. 3, 3 (Mar. 2025), 45–51. DOI:https://doi.org/10.70749/ijbr.v3i3.776.