Differences in clinical manifestations and increased severity of systemic lupus erythematosus between two groups of Hispanics: European Caucasians versus Latin American mestizos (data from the RELESSER registry)

Cruz, BH; Alonso, F; Alen, JC; Pego-Reigosa, JM; Lopez-Longo, FJ; Galindo-Izquierdo, M; Olive, A; Tomero, E; Horcada, L; Uriarte, E; Erausquin, C; Sanchez-Atrio, A; Montilla, C; Soler, GS; Fernandez-Nebro, A; Blanco, R; Rodriguez-Gomez, M; Vela, P; Freire, M; Diez-Alvarez, E; Boteanu, AL; Narvaez, J; Taboada, VM; Ruiz-Lucea, E; Andreu, JL; Fernandez-Berrizbeitia, O; Hernandez-Beriain, JA; Gantes, M; Perez-Venegas, JJ; Ibanez-Barcelo, M; Pecondon-Espanol, A; Marras, C; Bonilla, G; Castellvi, I; Moreno, M; Raya, E; Vila, VEQ; Vazquez, T; Ruan, JI; Munoz, S; Rua-Figueroa, I – 2020