1. Observations concerning some interesting lesions of the upper gastrointestinal tract;Pessagno;Amer. Surg.,1955
2. Collective review : Benign neoplasms of the small intestine. A critical comprehensive review with reports of 20 new cases;River;Int. Abstr. Surg.,1956
3. Benign tumors of the duodenum;Hoffman;Amer. J. Surg.,1945
4. Gastrointestinal ganglioneuromas. Brief review with report of a duodenal ganglioneuroma;Dahl;Amer. J. Path.,1957
5. Pathology of tumors;Willis,1960