Association of germ-free mice with intestinal microflora.
D000818:Animals; D004064:Digestive System / Q000378:metabolism / Q000382:microbiology*; D004926:Escherichia coli / Q000254:growth & development; D005856:Germ-Free Life; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains / Q000378:metabolism / Q000382:microbiology*; D013047:Specific Pathogen-Free Organisms