Duplication cysts of the gastroinestinal tract. Report of two cases.
D000293:Adolescent; D002675:Child, Preschool; D006801:Humans; D007082:Ileum / Q000002:abnormalities*; D007415:Intestinal Obstruction / Q000209:etiology*; D008297:Male; D008639:Mesenteric Cyst / Q000151:congenital*