İsmail KAYABALI, Sezai YILMAZ, and Betül BOZKURT. 2020. “RISC FACTORS IN BILIARY TRACT SURGERY (SOME REFLECTIONS ON 2000 PATIENTS HAVE BEEN TREATMENTED SURGICALLY)”. Turkish Journal of Gastroenterology 4 (1):169-74. https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/309.