Louis Edouard, Irving Peter, Beaugerie Laurent
Department of Gastroenterology, University Hospital CHU of Liège, Liège, Belgium.
Department of Gastroenterology, Guy's & St Thomas' NHS Foundation Trust, London, UK.
Gut. 2014 Nov;63(11):1695-9. doi: 10.1136/gutjnl-2013-306711. Epub 2014 Jun 18.