Wurm Johansson G, Toth E, Torp J, Ehinger A, Andersson L, Thorlacius H
Section of Endoscopy, Department of Clinical Sciences, Malmö, Skåne University Hospital, Lund University, Malmö, Sweden.
Endoscopy. 2012;44 Suppl 2 UCTN:E45-6. doi: 10.1055/s-0031-1291523. Epub 2012 Mar 6.