[An approach to adopt in patients with metformin-associated vitamin B12 deficiency].
Fernández Fernández
Francisco José
FJ
Varela Manso
María
M
D006801:Humans; D007004:Hypoglycemic Agents / Q000009:adverse effects*; D008687:Metformin / Q000009:adverse effects*; D014806:Vitamin B 12 Deficiency / Q000139:chemically induced* / Q000628:therapy*
D007004:Hypoglycemic Agents; D008687:Metformin