Prospective Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Jan 28, 2021; 27(4): 358-370
Published online Jan 28, 2021. doi: 10.3748/wjg.v27.i4.358
Figure 1
Figure 1 Flow chart of the self-controlled study. CBD: Common bile duct; ERCP: Endoscopic retrograde cholangiopancreatography; PTCD: Percutaneous transhepatic cholangiodrainage.