title: On the intestinal flora.
mesh_terms: D001419:Bacteria / Q000145:classification / Q000302:isolation & purification*; D001431:Bacteriological Techniques; D001439:Bacteroides / Q000302:isolation & purification; D003106:Colon / Q000382:microbiology; D004435:Eating; D006801:Humans; D007410:Intestinal Diseases / Q000382:microbiology; D007422:Intestines / Q000382:microbiology*; D009055:Mouth / Q000382:microbiology; D013270:Stomach / Q000382:microbiology