Medak, E., A. Ciechański, M. Brodowicz-Król, and M. Korżyńska-Piętas. “Nursing Practice With the Patient before Complete Removal of the Stomach from Cancer”. Journal of Education, Health and Sport, vol. 7, no. 7, July 2017, pp. 373-89, https://apcz.umk.pl/JEHS/article/view/4634.