Fig. 1From: Characteristics of four commonly used self-expanding biliary stents: an in vitro studyPhotograph showcasing the self-expanding metal stents. From left to right: uncovered Wallflex™ Biliary RX Stent, EGIS Single Bare Biliary Stent, Zilver 635® Biliary Self-Expanding Stent, and E-Luminexx™ Biliary StentBack to article page