Humańska, M. A., Ulenberg, A., Ulenberg, G., Pluta, A., Półrolnik, C. and Felsmann, M. (2018) “Historical background of surgical treatment of lung cancer in the elderly”, Journal of Education, Health and Sport, 8(3), pp. 321–328. Available at: https://apcz.umk.pl/JEHS/article/view/5355 (Accessed: 17 July 2024).