AUTHOR=Herndler-Brandstetter Dietmar TITLE=How Aging Affects T Lymphocyte-Mediated Immunity JOURNAL=Frontiers in Immunology VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2013.00296 DOI=10.3389/fimmu.2013.00296 ISSN=1664-3224