Flatulence.
D002245:Carbon Dioxide; D004066:Digestive System Diseases / Q000175:diagnosis; D004884:Eructation; D005414:Flatulence / Q000209:etiology; D005740:Gases; D006801:Humans; D006859:Hydrogen; D007408:Intestinal Absorption; D007422:Intestines / Q000382:microbiology / Q000502:physiology*; D009584:Nitrogen
D005740:Gases; D002245:Carbon Dioxide; D006859:Hydrogen; D009584:Nitrogen