Volume, composition, and source of intestinal gas.
D002245:Carbon Dioxide / Q000032:analysis; D005414:Flatulence / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D006859:Hydrogen / Q000032:analysis; D008697:Methane / Q000032:analysis; D009584:Nitrogen / Q000032:analysis; D010101:Oxygen Consumption
D002245:Carbon Dioxide; D006859:Hydrogen; D009584:Nitrogen; D008697:Methane