Peixoto BDO, Gonçalves MA, Gonçalves TFR, Sá Martins AA. Metformin and Vitamin B12 Deficiency – What is the Evidence?. Scr Med [Internet]. 28. Juni 2024. [citirano 20. Septembar 2026.];55(3):379-84. Dostupno na: https://test.aseestant.ceon.rs/index.php/scriptamed/article/view/48795