1. Roentgenologic findings accompanying carcinoma of the pancreas;Beeler;Am. J. Roentgenol. and Rad. Ther.,1952
2. Co-existence of pancreatic carcinoma and duodenal ulcer;Dashiell;Gastroenterology,1947
3. Roentgen Manifestations of Pancreatic Disease;Poppel,1951
4. New roentgenological method of pancreas examination and its practical results;Engel;Acta. Radiol.,1934