The normal flora of the gastrointestinal tract.
D000328:Adult; D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001419:Bacteria / Q000187:drug effects; D001659:Biliary Tract / Q000382:microbiology; D003106:Colon / Q000382:microbiology; D004032:Diet; D004064:Digestive System / Q000382:microbiology*; D006801:Humans; D007231:Infant, Newborn; D009960:Oropharynx / Q000382:microbiology
D000900:Anti-Bacterial Agents