“Comparison of the Safety and Effectiveness of Endoscopic Biliary Decompression by Nasobiliary Catheter and Plastic Stent Placement in Acute Obstructive Cholangitis”. Swiss Medical Weekly 143, no. 2728 (June 30, 2013): w13823. Accessed November 18, 2025. https://smw.ch/index.php/smw/article/view/1707.