RT Journal Article SR Electronic T1 Gastro-oesophageal reflux disease: symptoms, erosions, and Barrett’s—what is the interplay? JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 739 OP 740 DO 10.1136/gut.2004.052225 VO 54 IS 6 A1 P Sharma YR 2005 UL http://gut.bmj.com/content/54/6/739.abstract AB