title: Effect of the normal microbial flora on gastrointestinal motility.
mesh_terms: D000818:Animals; D005769:Gastrointestinal Motility; D005856:Germ-Free Life; D007422:Intestines / Q000382:microbiology*; D051379:Mice; D015020:Yttrium Isotopes
chemical_list: D015020:Yttrium Isotopes