Rehman, F. U., K. Khan, I. Ullah, J. Mansoor, R. Manzoor, H. Khan, A. Raheem, and S. U. Kakar. “Frequency of Vitamin B12 Deficiency Among Patients With Diabetes”. Indus Journal of Bioscience Research, vol. 3, no. 3, Mar. 2025, pp. 45-51, doi:10.70749/ijbr.v3i3.776.