1. Report of Persimmon Bezoars occurring around Tulsa, Oklahoma;Murdock;J. Oklahoma Med. Assoc.,1934
2. Bezoars and Concretions: A Comprehensive review of the Literature with an analysis of 303 collected cases and a presentation of 8 additional cases;Debakey;Surgery,1938
3. The Mechanism of the formation of Phytobezoars with special reference to the Persimmon Ball., Jap;Izumi;J. Med. Science,1933
4. Phytobezoar and its formation in vitro.;Chont;Radiology,1942
5. Value of Gastroscopy in diagnosis of phytobezoar; Case;Ruffin;Am. J. Dig. Dis. and Nutrition,1939