title: Vitamin B12 analogues and bacterial overgrowth.
mesh_terms: D000749:Anemia, Megaloblastic / Q000188:drug therapy / Q000209:etiology; D001419:Bacteria / Q000378:metabolism*; D006801:Humans; D007421:Intestine, Small / Q000382:microbiology*; D010406:Penicillins / Q000627:therapeutic use; D014805:Vitamin B 12 / Q000031:analogs & derivatives / Q000378:metabolism*
chemical_list: D010406:Penicillins; D014805:Vitamin B 12