title: Comparison of three isotope-release assays for spontaneous cytotoxicity of macrophages.
mesh_terms: D002250:Carbon Radioisotopes; D002860:Chromium Radioisotopes; D003601:Cytotoxicity Tests, Immunologic / Q000379:methods*; D066298:In Vitro Techniques; D008264:Macrophages / Q000276:immunology*; D008722:Methods; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D002860:Chromium Radioisotopes; D014316:Tritium