[1]
S. . Kowalski, A. . Moskal, K. . Żak-Kowalska, and M. . Goniewicz, “Return of spontaneous circulation and heart rhythm during the first analysis of the heart electrical activity”, Piel21w, vol. 18, no. 3(68), pp. 147–150, Jan. 2020, doi: 10.2478/pielxxiw-2019-0021.