Callaghan Jim L, Longcroft-Wheaton Gaius, Fowell Andrew J, Ellis Richard D, Bhandari Pradeep, Goggin Patrick M
Department of Gastroenterology, Queen Alexandra's Hospital, Cosham, Portsmouth, PO6 3LY, UK.
Endoscopy. 2014;46 Suppl 1 UCTN:E672-3. doi: 10.1055/s-0034-1390921. Epub 2014 Dec 19.