Murphy Seamus J, McIlhatton Brian, Logan W Peter, Porter Kenneth G, Morrison Patrick J
Department of Gastroenterology, Belfast City Hospital, 51 Lisburn Road, Belfast, BT9 7AB, UK.
Dig Dis Sci. 2007 Oct;52(10):2784-7. doi: 10.1007/s10620-007-9779-3. Epub 2007 Apr 5.