1. Congenital atresia and stenosis of the colon;Freeman;Brit. J. Surg.,1966
2. Congenital atresia of the colon;Sturim;Surgery,1966
3. Atresias of the gastrointestinal tract;Evans;Int. Abstr. Surg.,1951
4. Congenital intestinal atresia;Webb;Amer. J. Dis. Child,1932
5. Developmental Anatomy;Arey,1966