title: A simplified method of measuring breath hydrogen by end-expiratory sampling for diagnosis of lactose malabsorption.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001786:Blood Glucose / Q000032:analysis; D001944:Breath Tests / Q000379:methods*; D002648:Child; D002849:Chromatography, Gas; D005260:Female; D006801:Humans; D006859:Hydrogen / Q000032:analysis*; D007583:Jejunum / Q000201:enzymology; D007787:Lactose Intolerance / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D001616:beta-Galactosidase / Q000172:deficiency
chemical_list: D001786:Blood Glucose; D006859:Hydrogen; D001616:beta-Galactosidase