Swan M P, Bourke M J, Hopper A D, Moss A, Walker S L
Department of Gastroenterology, Westmead Hospital, Cnr. Darcy and Hawkesbury Road, Sydney, New South Wales, Australia.
Endoscopy. 2010;42 Suppl 2:E75-6. doi: 10.1055/s-0029-1215415. Epub 2010 Mar 1.