title: Reply: To PMID 24166793.
authors: Queen Elizabeth II Health Sciences Centre and Dalhousie University, Halifax, Nova Scotia, Canada; for the Systemic Lupus International Collaborating Clinics.
authors: John G
authors: JG
authors: Hanly
mesh_terms: D001323:Autoantibodies / Q000097:blood*; D005260:Female; D006261:Headache / Q000453:epidemiology* / Q000276:immunology*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000453:epidemiology* / Q000276:immunology*; D008297:Male
chemical_list: D001323:Autoantibodies