1. Abell, I.: Carcinoma of the Pancreas.Internat. Clin., 4:225. 1940.
2. Abrahamson, R. H. and Hinton, J. W.: Carcinoma of the Stomach ; Review of 444 Cases.S. G. O., 71:135, 1940.
3. Ackerman, A. J.: Roentgenological Study of Gastric Tuberculosis.Am. J. Roent. and Rad. Ther., 44:59, 1940.
4. Anziolotti, A.: Unusual Roentgen Findings in the Course of a Retr:ctile Mesenteritis.Radiol. med., 27:316, 1940.
5. Arnheim, E. E.: Diverticulosis of the Colon with Special Reference to the Surgical Complications.Ann. Surg., 112 :352, 1940.