RT Journal Article SR Electronic T1 Mechanisms underlying dysphagia in eosinophilic oesophagitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1041 OP 1042 DO 10.1136/gut.2008.175612 VO 58 IS 8 A1 Stephen E Attwood YR 2009 UL http://gut.bmj.com/content/58/8/1041.abstract AB