title: Newly defined serologic systems in systemic lupus erythematosus and dermatomyositis.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis*; D000937:Antigen-Antibody Reactions; D003240:Connective Tissue Diseases / Q000276:immunology; D004277:DNA, Single-Stranded / Q000276:immunology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis / Q000276:immunology*; D012313:RNA / Q000276:immunology
chemical_list: D000974:Antibodies, Antinuclear; D004277:DNA, Single-Stranded; D012313:RNA