Constipation in children.
D002648:Child; D002675:Child, Preschool; D003967:Diarrhea / Q000209:etiology / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D007420:Intestine, Large / Q000503:physiopathology; D008531:Megacolon / Q000150:complications