title: Precipitating antibody to a soluble nuclear antigen "Ki" with specificity for systemic lupus erythematosus.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis*; D000918:Antibody Specificity; D000941:Antigens / Q000276:immunology*; D003240:Connective Tissue Diseases / Q000276:immunology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D009698:Nucleoproteins / Q000276:immunology*; D011234:Precipitins / Q000032:analysis*
chemical_list: D000974:Antibodies, Antinuclear; D000941:Antigens; D009698:Nucleoproteins; D011234:Precipitins