GÜRSOY, Murat, Gürden GÜR, Yücel ÜSTÜNDAĞ, Beyhan DEMİRHAN, Çağlar BAYSAL, and Sedat BOYACIOĞLU. 2000. “Primary Gastric Choriocarcinoma: A Case Report and Review of the Literature”. Turkish Journal of Gastroenterology 11 (1):34-38. https://turkjgastroenterol.org/index.php/tjg/article/view/1041.