1. Durante, Luigi: The trophic elment in the origin of gastric ulcer.Surg., Gynec., and Obst., 22:399–406, April, 1916.
2. Exalto, J.: Ulcus jejuni nach Gastroenterostomie.Mitt. a. d. Grenzgcb. d. Med. u. Chir., 23:13–41, 1911.
3. Harper, F. R.: Development of experimental peptic ulcer: changes in acidity and treatment.Proc. Staff Meetings of Mayo Clinic, 7: 273–276, May 11, 1932.
4. Mann, F. C.: A study of the gastric ulcers following removal of the adrenals.Jour. Exper. Med., 23:203–208, Feb., 1916.
5. Mann, F. C., and Bollman, J. L.: A method for making a satisfactory fistula at any level of the gastro-intestinal tract.Ann. Surg., 93:794–797, March, 1931.