title: Obstructed umbilical hernia in children: two case reports.
mesh_terms: D005260:Female; D006554:Hernia, Umbilical / Q000150:complications* / Q000601:surgery / Q000628:therapy; D006801:Humans; D007223:Infant; D007415:Intestinal Obstruction / Q000209:etiology*; D008297:Male