title: Effect of ethnicity on disease activity in systemic lupus erythematosus.
authors.forename: Jaime
authors.initials: J
authors.lastname: Calvo-Alén
authors.forename: Luis M
authors.initials: LM
authors.lastname: Vilá
authors.forename: John D
authors.initials: JD
authors.lastname: Reveille
authors.forename: Graciela S
authors.initials: GS
authors.lastname: Alarcón
mesh_terms: D006630:Hispanic or Latino / Q000706:statistics & numerical data*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000208:ethnology*; D044465:White People / Q000706:statistics & numerical data*