title: Correlation of measured volume with radiologic appearance of intestinal gas in normal subjects.
mesh_terms: D001128:Argon; D002245:Carbon Dioxide / Q000032:analysis; D003106:Colon / Q000032:analysis; D012809:Colon, Sigmoid / Q000032:analysis; D005414:Flatulence / Q000000981:diagnostic imaging*; D006801:Humans; D006859:Hydrogen / Q000032:analysis; D007082:Ileum / Q000032:analysis; D007422:Intestines / Q000000981:diagnostic imaging*; D007583:Jejunum / Q000032:analysis; D008697:Methane / Q000032:analysis; D008722:Methods; D009584:Nitrogen / Q000032:analysis; D010100:Oxygen / Q000032:analysis; D011859:Radiography; D012007:Rectum / Q000032:analysis; D013997:Time Factors
chemical_list: D002245:Carbon Dioxide; D001128:Argon; D006859:Hydrogen; D009584:Nitrogen; D008697:Methane; D010100:Oxygen