TY - JOUR AU - Hernaez, R TI - Reliability and agreement studies: a guide for clinical investigators JO - Gut VL - 64 PY - 2015 DO - 10.1136/gutjnl-2014-308619 L3 - PubMed-ID: 25873640 SP - 1018 EP - 1027 N1 - DOI: 10.1136/gutjnl-2014–308619 ER -