Gundogan, E., G. Alinak Gundogan, M. Kement, K. Cetin, A. Acar, and N. Bildik. “Gastrointestinal Stromal Tumors: Factors Affecting Prognosis and Single-Center Surgery Results”. Annals of Medical Research, vol. 26, no. 3, May 2021, pp. 0335-42, http://www.annalsmedres.org/index.php/aomr/article/view/1347.