RT Journal Article SR Electronic T1 Oesophageal mucosal barrier: a key factor in the pathophysiology of non-erosive reflux disease (NERD) and a potential target for treatment JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 705 OP 706 DO 10.1136/gutjnl-2013-305101 VO 63 IS 5 A1 Woodland, Philip A1 Sifrim, Daniel YR 2014 UL http://gut.bmj.com/content/63/5/705.abstract AB