title: How many ways can a killer cell kill?
authors.affiliation: Basel Institute for Immunology, Switzerland.
authors.forename: A
authors.initials: A
authors.lastname: Lanzavecchia
mesh_terms: D000818:Animals; D003602:Cytotoxicity, Immunologic / Q000276:immunology; D006801:Humans; D011948:Receptors, Antigen, T-Cell / Q000502:physiology; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology*
chemical_list: D011948:Receptors, Antigen, T-Cell