title: Letter: Detection of antibodies to n-DNA.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis*; D004247:DNA / Q000276:immunology*; D005374:Filtration; D006801:Humans; D006830:Hydralazine / Q000009:adverse effects; D008180:Lupus Erythematosus, Systemic / Q000139:chemically induced / Q000276:immunology*; D011342:Procainamide / Q000009:adverse effects; D011863:Radioimmunoassay / Q000379:methods* / Q000592:standards
chemical_list: D000974:Antibodies, Antinuclear; D006830:Hydralazine; D004247:DNA; D011342:Procainamide