BEYLER, A. R. (2019) “Transpapillary and percutaneous transhepatic forceps biopsy in bile duct strictures”, Turkish Journal of Gastroenterology, 9(3), pp. 247–249. Available at: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/768 (Accessed: 25 July 2025).