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NOWIŃSKA, Martyna, DZIEKOŃSKA, Justyna, GRABOWY, Paulina, DROŻAK, Martyna and MILANOWSKA, Joanna. Delays in cancer diagnosis, with a focus on oral cancer during the COVID-19 pandemic - literature review. Journal of Education, Health and Sport. Online. 9 September 2021. Vol. 11, no. 9, pp. 162-169. [Accessed 19 July 2024]. DOI 10.12775/JEHS.2021.11.09.021.