Cybulski , Gerard, Wiktor Niewiadomski, Alicja Zielińska, Anna Strasz, and Anna Gąsiorowska. “An Impedance Cardiography – Simple, Noninvasive Method for Determination of Cardiac Stroke Volume. Part 1. Methodical Basis”. Cardiology in Practice 5, no. 2 (June 30, 2011): 61-69. Accessed May 18, 2024. https://www.journalsmededu.pl/index.php/kwp/article/view/1607.