title: Cytoplasmic staining, ANA negative status, and ENA testing in rheumatic diseases.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis*; D000941:Antigens / Q000032:analysis*; D002467:Cell Nucleus / Q000276:immunology*; D006801:Humans; D005779:Immunodiffusion; D012216:Rheumatic Diseases / Q000276:immunology*
chemical_list: D000974:Antibodies, Antinuclear; D000941:Antigens