AUTHOR=Sivori Simona , Olive Daniel , López-Botet Miguel , Vitale Massimo TITLE=NK Receptors: Tools for a Polyvalent Cell Family JOURNAL=Frontiers in Immunology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2014.00617 DOI=10.3389/fimmu.2014.00617 ISSN=1664-3224