Afridi, M. H. .; Khan, M. N. .; Khan, A. M. .; Abbass, M. .; Khan, M. K. .; Gul, W. .; Zaib, S. . Deficiency of Vitamin B12 in Type 2 Diabetic Patients Receiving Metformin Therapy at HMC Hospital Peshawar. AJHMN 2022, 7, 26 - 30.