title: Since their identification 40 years ago, natural killer (NK) cells write a never-ending story. Introduction.
authors.forename: Eric
authors.initials: E
authors.lastname: Vivier
authors.forename: James
authors.initials: J
authors.lastname: Di Santo
authors.forename: Alessandro
authors.initials: A
authors.lastname: Moretta
mesh_terms: D000486:Allergy and Immunology / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*