1. X-ray examination in hemorrhage from the upper gastro-intestinal tract;Rigler;Arch. Surg.,1959
2. Peptic Ulcer;Sandweiss,1951
3. Duodenal ulcer: value of the roentgenologic demonstration of crater;Templeton;J. A. M. A.,1938
4. Massive bleeding in duodenal ulcer with special reference to significance of crater;Gardner;Bull. N. Y. Acad. Med.,1959
5. The evaluation of emergency gastrectomy for hemorrhage from the upper gastro-intestinal tract;Bingham;Canad. M. A. J.,1959