Digital single-operator cholangioscopy interobserver study using a new classification: the Mendoza Classification (with video)

Michel Kahaleh, Monica Gaidhane, Haroon Shahid, Amy Tyberg, Avik Sarkar, José Celso Ardengh, Prashant Kedia, Iman Andalib, Frank G. Gress, Amrita Sethi, S. Ian Gan, Supriya Suresh, Michael Makar, Romy Bareket, Adam Slivka, Jessica Widmer, Priya A. Jamidar, Resheed Alkhiari, Roberto Oleas, Dongchoon Kim, Carlos Robles‐Medranda, Isaac Raijman