title: Letter: HL-A antigens and M.I.C. responsiveness in systemic lupus erythematosus.
mesh_terms: D006680:HLA Antigens / Q000302:isolation & purification*; D006649:Histocompatibility Antigens / Q000302:isolation & purification*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D007959:Lymphocyte Culture Test, Mixed
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens