Flóró Lajos, Pák Gabor, Sréter Lidia, Tulassay Zsolt
2nd Department of Internal Medicine, Semmelweis University Medical School, Budapest, and Vaszary Kolos Hospital, Esztergom, Hungary.
Gastrointest Endosc. 2007 Jun;65(7):1078; discussion 1079. doi: 10.1016/j.gie.2006.09.023. Epub 2007 Apr 23.