University School of Silesia, 1-st Department of Cardiosurgery [clinicaltrials_resource:8ff7cf3dfbcb7e0a40ff7d4ee1670455]

University School of Silesia, 1-st Department of Cardiosurgery [clinicaltrials_resource:8ff7cf3dfbcb7e0a40ff7d4ee1670455]