title: Authors' reply to Nelson-Piercy and colleagues.
authors.affiliation: Rheumatology, Lister Hospital, East and North Hertfordshire NHS Trust, Stevenage SG1 4AB, UK.
authors.forename: Spencer
authors.initials: S
authors.lastname: Ellis
authors.forename: Allan
authors.initials: A
authors.lastname: Binder
mesh_terms: D000974:Antibodies, Antinuclear / Q000097:blood*; D034961:Antigens, Nuclear / Q000097:blood*; D005194:Family Practice; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*
chemical_list: D000974:Antibodies, Antinuclear; D034961:Antigens, Nuclear