title: Lactose malabsorption and its ethnic differences in Hans and Uygurs.
mesh_terms: D000293:Adolescent; D000328:Adult; D001944:Breath Tests / Q000379:methods; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D006859:Hydrogen / Q000032:analysis; D007787:Lactose Intolerance / Q000208:ethnology*; D008297:Male
chemical_list: D006859:Hydrogen