We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleWhat is a natural killer cell?AuthorsMoretta, Alessandro; Bottino, Cristina; Mingari, Maria Cristina; Biassoni, Roberto; Moretta, LorenzoPublicationNature immunology, 2002, Vol 3, Issue 1, p6ISSN1529-2908Publication typeJournal ArticleDOI10.1038/ni0102-6