title: Natural killer (NK) activity of normal human peripheral blood lymphocytes against erythroleukemic cell line K 562.
mesh_terms: D000328:Adult; D002648:Child; D003602:Cytotoxicity, Immunologic; D004912:Erythrocytes / Q000502:physiology; D006098:Granulocytes / Q000502:physiology; D006801:Humans; D007223:Infant; D007694:Killer Cells, Natural / Q000276:immunology*; D004915:Leukemia, Erythroblastic, Acute / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology*; D008875:Middle Aged