AUTHOR=Maggiore Umberto TITLE=Twenty Years, and More to Come: Learning What Makes Some Transplants Ultra-Long Survivors JOURNAL=Transplant International VOLUME=35 YEAR=2022 URL=https://www.frontierspartnerships.org/journals/transplant-international/articles/10.3389/ti.2022.11036 DOI=10.3389/ti.2022.11036 ISSN=1432-2277