title: Sex disparities in systemic lupus erythematosus in Northwestern Spain are not due to ethnic diversity.
authors.affiliation: Division of Rheumatology, Hospital Universitario Marques de Valdecilla, IDIVAL, c/Avenida de Valdecilla s/n, 39008, Santander, Cantabria, Spain, miguelaggay@hotmail.com.
authors.forename: Miguel A
authors.initials: MA
authors.lastname: González-Gay
authors.forename: María D
authors.initials: MD
authors.lastname: Alonso
authors.forename: Francisco
authors.initials: F
authors.lastname: Martínez-Vázquez
authors.forename: Javier
authors.initials: J
authors.lastname: Llorca
mesh_terms: D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000453:epidemiology*; D008297:Male