حنان على الحداد, أمحمد محمد بلعيد. The effect of metformin use on vitamin B12 level in patients with type 2 diabetes mellitus in Brack . JOPAS [Internet]. 2023 Jun. 17 [cited 2024 May 20];22(4):16-20. Available from: https://sebhau.edu.ly/journal/jopas/article/view/3015