title: The effect of metformin on the absorption of vitamin B 12 .
mesh_terms: D000328:Adult; D000368:Aged; D003036:Cobalt Isotopes; D003920:Diabetes Mellitus / Q000188:drug therapy / Q000378:metabolism*; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D008687:Metformin / Q000009:adverse effects / Q000494:pharmacology* / Q000627:therapeutic use; D008875:Middle Aged; D012546:Schilling Test; D013997:Time Factors; D014805:Vitamin B 12 / Q000378:metabolism*; D014915:Whole-Body Counting
chemical_list: D003036:Cobalt Isotopes; D008687:Metformin; D014805:Vitamin B 12