title: The role of intestinal flora in gas formation.
mesh_terms: D002245:Carbon Dioxide / Q000378:metabolism; D004032:Diet; D005414:Flatulence / Q000209:etiology* / Q000378:metabolism; D006801:Humans; D006859:Hydrogen / Q000378:metabolism; D007422:Intestines / Q000382:microbiology*; D008697:Methane / Q000378:metabolism
chemical_list: D002245:Carbon Dioxide; D006859:Hydrogen; D008697:Methane