title: Lactose intolerance.
mesh_terms: D000818:Animals; D002648:Child; D002675:Child, Preschool; D003967:Diarrhea / Q000209:etiology*; D006801:Humans; D007223:Infant; D007787:Lactose Intolerance / Q000150:complications*; D008892:Milk / Q000009:adverse effects