title: Letter: HL-A 3,7 and lymphocyte cytotoxic activity.
mesh_terms: D000937:Antigen-Antibody Reactions; D003601:Cytotoxicity Tests, Immunologic; D006238:Haploidy; D006649:Histocompatibility Antigens / Q000302:isolation & purification*; D006801:Humans; D008214:Lymphocytes / Q000276:immunology*; D009103:Multiple Sclerosis / Q000209:etiology / Q000235:genetics
chemical_list: D006649:Histocompatibility Antigens