RT Journal Article SR Electronic T1 Transoral oesophagogastric fundoplication is effective in treating proton pump inhibitor-resistant regurgitation JF Frontline Gastroenterology JO Frontline Gastroenterol FD BMJ Publishing Group Ltd SP 2 OP 3 DO 10.1136/flgastro-2015-100586 VO 7 IS 1 A1 Philip Hendy YR 2016 UL http://fg.bmj.com/content/7/1/2.abstract AB