Ethnic differences in disease activity among patients with systemic lupus erythematosus in a universal public healthcare system. - Heras-Recuero, Elena; García-Fernández, Antía; Quiroga-Colina, Patricia; Gómez-Moreno, Cristina; Torres-Roselló, Arantxa; Fernández-Prado, Raúl; Avello, Alejandro; Largo, Raquel; Ferraz-Amaro, Ivan; Llorca, Javier; González-Gay, Miguel Ángel (Lupus, 2026)