Karakaş, Yusuf, Şahin Laçin, Olcay Kurtulan, Ece Esin, Veli Sunar, Cenk Sökmensüer, Saadettin Kılıçkap, and Şuayib Yalçin. 2020. “Prognostic Value of the 2017 World Health Organization Classification System for Gastric Neuroendocrine Tumors: A Single-Center Experience”. Turkish Journal of Gastroenterology 31 (2):91-98. https://doi.org/10.5152/tjg.2020.18919.