TY - JOUR AU - IJspeert, J E; Bastiaansen, B A; van Leerdam, M E TI - Development and validation of the WASP classification system for optical diagnosis of adenomas, hyperplastic polyps and sessile serrated adenomas/polyps JO - Gut VL - 65 PY - 2016 DO - 10.1136/gutjnl-2014-308411 L3 - PubMed-ID: 25753029 SP - 963 EP - 970 N1 - et al. ER -