Barış Sarıcı, Serdar Karakaş, Ufuk Uylas, Aydın Aktaş, Mustafa Dikilitaş, and Cüneyt Kayaalp. 2019. “Intestinal Perforation After Regorafenib Usage”. Turkish Journal of Gastroenterology 29 (2):245-46. https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/3529.