title: Divalent cation requirements as a tool for the study of cell-mediated cytotoxocity systems.
mesh_terms: D000818:Animals; D000921:Antibody-Producing Cells / Q000276:immunology*; D000937:Antigen-Antibody Reactions; D001773:Blood Cells / Q000276:immunology*; D002118:Calcium / Q000494:pharmacology*; D002460:Cell Line; D003601:Cytotoxicity Tests, Immunologic; D004492:Edetic Acid / Q000494:pharmacology; D004912:Erythrocytes / Q000276:immunology; D006801:Humans; D007111:Immunity, Cellular; D007074:Immunoglobulin G; D008274:Magnesium / Q000494:pharmacology*; D051379:Mice; D012756:Sheep / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D007074:Immunoglobulin G; D004492:Edetic Acid; D008274:Magnesium; D002118:Calcium