Vitkovska, S. V. “Morphological Features of Metaplasia and Dysplasia of Epithelium in Barret’s Esophagus”. Морфологія / Morphologia / Morfologìâ, vol. 6, no. 2, June 2012, pp. 9-13, doi:10.26641/1997-9665.2012.2.9-13.