title: Observations on the cytotoxicity of lymphocytes to a target cell system.
mesh_terms: D000941:Antigens; D002460:Cell Line / Q000276:immunology*; D002859:Chromium Isotopes; D046508:Culture Techniques; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D006650:Histocompatibility Testing; D006801:Humans; D008099:Liver; D008214:Lymphocytes / Q000276:immunology*; D008297:Male; D011247:Pregnancy; D012801:Sibling Relations; D014427:Twins
chemical_list: D000941:Antigens; D002859:Chromium Isotopes