ÖZDEMİR, Ensar, Ayşe ERDEN, Meltem ORAL, Burhan ŞAHİN, and Turhan CUMHUR. 1992. “ESWL (EXTRACORPOKEAL SHOCK WAVE LITHOTRIPSY) IN THE TREATMENT OF LARGE BILE DUCT STONES”. Turkish Journal of Gastroenterology 3 (2):335-41. https://www.turkjgastroenterol.org/index.php/tjg/article/view/105.