A  51 Cr microassay technique for cell-mediated immunity to viruses.
D000818:Animals; D002478:Cells, Cultured; D002859:Chromium Isotopes; D006224:Cricetinae; D003601:Cytotoxicity Tests, Immunologic; D006801:Humans; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000276:immunology*; D008722:Methods; D011863:Radioimmunoassay; D012412:Rubella virus / Q000276:immunology*
D002859:Chromium Isotopes