title: Whither, intestinal microecology?
mesh_terms: D000818:Animals; D003672:Defecation; D004463:Ecology; D005063:Europium; D005769:Gastrointestinal Motility; D006801:Humans; D007422:Intestines / Q000382:microbiology / Q000502:physiology*; D007700:Kinetics; D008297:Male; D012212:Rheology; D013552:Swine; D013725:Terbium
chemical_list: D013725:Terbium; D005063:Europium