Dr. Selçuk Ergen. “EXTRAGASTROINTESTINAL STROMAL TUMOR WITH RETROPERITONEAL LOCATION: A RARE CASE REPORT”. Medico Research Chronicles 5, no. 6 (December 31, 2018): 454-457. Accessed April 5, 2025. https://medrech.com/index.php/medrech/article/view/338.