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Systemic lupus erythematosus myocarditis after COVID-19 vaccination Miguel Sogbe; Andrés Blanco-Di Matteo; I. Madeleine Di Frisco; Juan Fernando Bastidas; Nahikari Salterain; Juan José Gavira;

RESER/NVAN: Spanish Registry of patients with ANCA- associated vasculitis: objectives and methodology Susana Romero-Yuste; Manuel Macía; Marta Domínguez-Álvaro; Antonio Fernández-Nebro; Miquel Blasco; Javier Narváez; Gema Fernández; Íñigo Rúa-Figueroa; Desirée Luis-Rodríguez; Beatriz Ventosa;