Ivekovic H, Rustemovic N, Brkic T, Opacic M, Pulanic R, Ostojic R, Vucelic B
Department of Gastroenterology and Hepatology, University Hospital Zagreb, Zagreb, Croatia.
Endoscopy. 2011;43 Suppl 2 UCTN:E170. doi: 10.1055/s-0030-1256273. Epub 2011 May 11.