AUTHOR=Nydam Marie L., De Tomaso Tony TITLE=Creation and maintenance of variation in allorecognition loci JOURNAL=Frontiers in Immunology VOLUME=2 YEAR=2011 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2011.00079 DOI=10.3389/fimmu.2011.00079 ISSN=1664-3224