KARAEREN, Necmettin, Sait BAĞCI, and Ahmet ALPER. “Endoscopic Ultrasonography of the Upper Gastrointestinal System”. Turkish Journal of Gastroenterology 6, no. 1 (January 1, 1995): 149–153. Accessed January 1, 2026. https://turkjgastroenterol.org/index.php/tjg/article/view/595.