Janiszewski , M., and M. Chmielewski. “Intra-Aortic Balloon Pump in STEMI Patients With Cardiogenic Shock”. Medycyna Faktow (J EBM), Vol. 5, no. 4(17), June 2012, pp. 82-86, https://www.journalsmededu.pl/index.php/jebm/article/view/2446.