ALJABRA, R. J.; AL-NOIMI, F. A.; BATAYHA, N. "MOHAMMAD S. M.; TELFAH, H. A.; ANDRAWES, S. T.; ALRABBAEI, H.; ABEELEH, J. A. STUDY OF VITAMIN B12 DEFICIENCY AND ITS RELATION WITH METFORMIN TREATMENT AMONG DIABETICS IN PRINCE RASHID HOSPITAL. European Scientific Journal, ESJ, v. 11, n. 27, 29 Sep. 2015.