AUTHOR=Toubert Antoine TITLE=Grand challenges in alloimmunity and transplantation JOURNAL=Frontiers in Immunology VOLUME=2 YEAR=2011 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2011.00038 DOI=10.3389/fimmu.2011.00038 ISSN=1664-3224