title: Correlation of lactose breath hydrogen test, intestinal morphology, and lactase activity in young children.
mesh_terms: D001944:Breath Tests; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D006859:Hydrogen / Q000032:analysis*; D007223:Infant; D007410:Intestinal Diseases / Q000150:complications; D007413:Intestinal Mucosa / Q000473:pathology*; D007787:Lactose Intolerance / Q000175:diagnosis* / Q000209:etiology; D007789:Lactose Tolerance Test / Q000379:methods*
chemical_list: D006859:Hydrogen