DUDEK, Iga, FORMA, Alicja, HAMERSKA, Justyna, FLIEGER, Michał, JANUSZEWSKI, Jacek, CYWKA, Tomasz, KOZAK, Joanna and BAJ, Jacek. Helicobacter pylori cytotoxin-associated gene A virulence and its association with the epithelial-mesenchymal transition in gastric cancer. Journal of Education, Health and Sport. Online. 8 April 2022. Vol. 12, no. 4, pp. 62-75. [Accessed 28 June 2025]. DOI 10.12775/JEHS.2022.12.04.005.