Ulenberg, Grzegorz, Agata Ulenberg, Łukasz Czapiewski, Marzena Humańska, and Wojciech Kaczmarek. 2018. “Overview of the Basic Techniques Used to Monitor the patient’s Condition by Intensive Care Nurses - Part One”. Journal of Education, Health and Sport 8 (9):1477-84. https://apcz.umk.pl/JEHS/article/view/6088.