Department of Hepatogastroenterology;
Institute for Clinical and Experimental Medicine;
14021 Prague;
Czech Republic;
Faculty of Medicine;
University of Ostrava;
70103 Ostrava;
Czech Republic;
Department of Pathology;
IKEM;
14021 Prague;
Czech Republic;
Department of Internal Medicine;
Hospital "Na Frantisku";
11000 Prague;
Czech Republic;
Department of Pathology;
Central Military Hospital;
16902 Prague;
Czech Republic;
Department of Medicine;
Charles University;
Military University Hospital;
16902 Prague;
Czech Republic;
Barrett's; esophagus; Barrett's; esophagusrelatedneoplasia; Biopsy; forceps; Jumbo; forceps; Specimen; adequacy;