In-class didactic versus self-directed teaching of the probe-based confocal laser endomicroscopy (pCLE) criteria for Barrett's esophagus. - Rzouq F; Vennalaganti P; Pakseresht K; Kanakadandi V; Parasa S; Mathur SC; Alsop BR; Hornung B; Gupta N; Sharma P (Endoscopy, 2016)