1. Congenital duodenal diaphragm;Bill;Surgery,1954
2. Intraluminal duodenal diverticulum;Heilbrun;Radiology,1964
3. Congenital anomalies of the duodenum;Saunders;Ann. Surg.,1940
4. Congenital occlusion of the intestines;Davis;Surg. Gynec. & Obst.,1922
5. Congenital intestinal atresia and stenosis in the newborn;Louw;Ann. Roy. Coll. Surgeons England,1959