title: Non-complement-fixing IgM antibodies with anti-HL-A2 specificity and blocking activity.
mesh_terms: D000906:Antibodies; D000918:Antibody Specificity; D002499:Centrifugation, Density Gradient; D003168:Complement Fixation Tests; D003601:Cytotoxicity Tests, Immunologic; D006649:Histocompatibility Antigens; D006801:Humans; D007075:Immunoglobulin M; D007945:Leukemia, Lymphoid / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology
chemical_list: D000906:Antibodies; D006649:Histocompatibility Antigens; D007075:Immunoglobulin M