The effect of complement variation on HLA-DR sera.
D003165:Complement System Proteins / Q000276:immunology*; D003602:Cytotoxicity, Immunologic; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II / Q000276:immunology*; D006801:Humans; D007518:Isoantibodies
D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II; D007518:Isoantibodies; D003165:Complement System Proteins