TY  - RPRT
TI  - Metformin and B-12 malabsorption.
AU  - V Herbert
PY  - 1972
DO  - 10.7326/0003-4819-76-1-140
UR  - https://pubmed.ncbi.nlm.nih.gov/5021544/
ID  - 5021544
ER  -