Nikitenko, R., Kosovan, V., Vorotyntseva, K. and Koichev, E. 2021. Rationale for extent of operation choice in rectal cancer. Journal of Education, Health and Sport. 11, 11 (Nov. 2021), 423–432. DOI:https://doi.org/10.12775/JEHS.2021.11.11.040.