title: Detection of antibodies to double stranded DNA and extractable nuclear antigen.
mesh_terms: D000818:Animals; D000974:Antibodies, Antinuclear / Q000032:analysis*; D003378:Counterimmunoelectrophoresis; D003421:Crithidia; D004247:DNA / Q000276:immunology*; D004797:Enzyme-Linked Immunosorbent Assay; D006801:Humans; D005779:Immunodiffusion; D011863:Radioimmunoassay
chemical_list: D000974:Antibodies, Antinuclear; D004247:DNA