AUTHOR=Johnson Howard M. TITLE=Gamma Interferon: From Antimicrobial Activity to Immune Regulation JOURNAL=Frontiers in Immunology VOLUME=5 YEAR=2015 URL=https://www.frontiersin.org/articles/10.3389/fimmu.2014.00667 DOI=10.3389/fimmu.2014.00667 ISSN=1664-3224