(1)
Acar, T.; Efe, D.; Okuş, A.; Öcal, İrfan; Harman, M. A Rare Solid Tumor of the Retroperitoneum With Venous Extension and Lung Metastasis: Extra-Gastrointestinal Stromal Tumor. Turkish Journal of Gastroenterology 2015, 26, 358-359.