title: HLA and serum complement in polymyositis.
mesh_terms: D003176:Complement C3 / Q000032:analysis*; D003181:Complement C4 / Q000032:analysis*; D005260:Female; D006680:HLA Antigens / Q000302:isolation & purification*; D006801:Humans; D008297:Male; D009220:Myositis / Q000276:immunology*; D011485:Protein Binding
chemical_list: D003176:Complement C3; D003181:Complement C4; D006680:HLA Antigens