title: Vitamin B12 analogues and intestinal bacteria.
mesh_terms: D001419:Bacteria / Q000378:metabolism*; D001424:Bacterial Infections / Q000150:complications / Q000378:metabolism*; D003038:Cobamides / Q000096:biosynthesis*; D006801:Humans; D007410:Intestinal Diseases / Q000150:complications / Q000378:metabolism* / Q000382:microbiology*; D007422:Intestines / Q000382:microbiology; D014805:Vitamin B 12 / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000209:etiology
chemical_list: D003038:Cobamides; D014805:Vitamin B 12