1. Brunicardi F, Andersen D, Billiar T, Dunn D, Hunter J, Matthews J, Pollock R. Schwartz's Principles of Surgery. McGraw Hill, NY; 2019.
2. Upper gastrointestinal submucosal lesions. clinical and endosonographic evaluation and management. (2008). Accessed: September 01, 2022: http://www.tropicalgastro.com/articles/31/1/Upper-gastrointestinal-submucosal-lesions-Clinical-and-endosonographic-ev....
3. Sleisenger and Fordtran's gastrointestinal and liver disease: pathophysiology, diagnosis, management;Feldman M,2016
4. Submucosal tumors: comprehensive guide for the diagnosis and therapy of gastrointestinal submucosal tumors;Nishida T;Dig Endosc,2013
5. Classification of submucosal tumors in the gastrointestinal tract;Ponsaing LG;World J Gastroenterol,2007