title: NK cell evolution: studies on Xenopus.
authors.affiliation: Department of Biological Sciences, University of Durham, U.K.
authors.forename: T L
authors.initials: TL
authors.lastname: Horton
authors.forename: P
authors.initials: P
authors.lastname: Ritchie
authors.forename: M D
authors.initials: MD
authors.lastname: Watson
authors.forename: J D
authors.initials: JD
authors.lastname: Horton
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000166:cytology / Q000276:immunology; D003602:Cytotoxicity, Immunologic; D018189:Immunomagnetic Separation; D007694:Killer Cells, Natural / Q000166:cytology* / Q000276:immunology* / Q000473:pathology; D008213:Lymphocyte Activation; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology; D013953:Thymus Neoplasms / Q000276:immunology / Q000662:veterinary; D014407:Tumor Cells, Cultured; D014982:Xenopus laevis