Lok, Ka-Ho, Lawrence Lai, Hak-Lim Yiu, Ming-Leung Szeto, and Siu-Kee Leung. “Endosonographic Surveillance of Small Gastrointestinal Tumors Originating from Muscularis Propria”. Journal of Gastrointestinal and Liver Diseases 18, no. 2 (June 1, 2009): 177-180. Accessed July 24, 2024. https://www.jgld.ro/jgld/index.php/jgld/article/view/2009.2.7.