AUTHOR=Hess Nicholas R. , Kaczorowski David J. TITLE=The history of cardiac xenotransplantation: early attempts, major advances, and current progress JOURNAL=Frontiers in Transplantation VOLUME=Volume 2 - 2023 YEAR=2023 URL=https://www.frontiersin.org/journals/transplantation/articles/10.3389/frtra.2023.1125047 DOI=10.3389/frtra.2023.1125047 ISSN=2813-2440 ABSTRACT=N/A due to nature of article