M. Enver DOLAR, et al. “Oesofagogastroduodenal Endoscopic Features in Patientswith Cirrhotic Partal Hypertension”. Turkish Journal of Gastroenterology, vol. 6, no. 3, Apr. 2020, pp. 353-4, https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/981.