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(Turk J Gastroenterol 2011; 22: 631-635) DOI: 10.4318/tjg.2011.0277
Vladislav Treska, Jiri Ferda, Ondrej Daum, Vaclav Liska, Tomas Skalicky, Jan Bruha
(Turk J Gastroenterol 2016; 27: 252-256) DOI: 10.5152/tjg.2016.15447