title: Is it useful to test for antibodies to extractable nuclear antigens in the presence of a negative antinuclear antibody on Hep-2 cells?
authors.forename: K F
authors.initials: KF
authors.lastname: Thomson
authors.forename: A
authors.initials: A
authors.lastname: Murphy
authors.forename: M J
authors.initials: MJ
authors.lastname: Goodfield
authors.forename: S A
authors.initials: SA
authors.lastname: Misbah
mesh_terms: D000974:Antibodies, Antinuclear / Q000097:blood*; D034961:Antigens, Nuclear; D001324:Autoantigens / Q000276:immunology; D002460:Cell Line; D004847:Epithelial Cells / Q000276:immunology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D009687:Nuclear Proteins / Q000276:immunology*
chemical_list: D000974:Antibodies, Antinuclear; D034961:Antigens, Nuclear; D001324:Autoantigens; D009687:Nuclear Proteins