title: Killing often spoken of as natural hellip; the cryptic orphan killer cells.
authors.affiliation: Department of Microbiology and Immunology, Duke University Medical Center, Box 3010, Durham, NC 27710, USA.
authors.forename: H
authors.initials: H
authors.lastname: Koren
authors.affiliation: Biological Development Branch, Biological Response Modifiers Program, National Cancer Institute, Frederick, MD 21701, USA.
authors.forename: R
authors.initials: R
authors.lastname: Herberman