Koc, M., and S. Serhatlioglu. “The Investigation of Incidence and Radiological Findings of Gastrointestinal Stromal Tumor As a Rare Cause of Abdominal Mass”. Annals of Medical Research, vol. 24, no. 3, May 2021, pp. 0301-4, http://annalsmedres.org/index.php/aomr/article/view/2165.