Afridi, M. H. ., Khan, M. N. ., Khan, A. M. ., Abbass, M. ., Khan, M. K. ., Gul, W. . and Zaib, S. . (2022) “Deficiency of Vitamin B12 in Type 2 Diabetic Patients Receiving Metformin Therapy at HMC Hospital Peshawar”, American Journal of Health, Medicine and Nursing Practice, 7(7), pp. 26 - 30. doi: 10.47672/ajhmn.1051.