Probe-Based Confocal Laser Endomicroscopy for Indeterminate Biliary Strictures: Refinement of the Image Interpretation Classification. - Kahaleh, Michel; Giovannini, Marc; Jamidar, Priya; Gan, S. Ian; Cesaro, Paola; Caillol, Fabrice; Filoche, Bernard; Karia, Kunal; Smith, Ioana; Gaidhane, Monica; Slivka, Adam (Gastroenterology Research & Practice, 2015)