Effectiveness and safety of rituximab in systemic lupus erythematosus: A case series describing the experience of 2 centres Vicenç Juan Gómez; Irene Carrión-Barberá; Tarek Carlos Salman Monte; Asunción Acosta; Vicenç Torrente-Segarra; Jordi Monfort;

Contributions of the lupus register of the Spanish Society of Rheumatology (RELESSER) to the knowledge of systemic lupus erythematosus in Spain Iñigo Rúa-Figueroa Fernández de Larrinoa; José María Pego-Reigosa;

Impact of the COVID-19 pandemic on psychosocial health in rheumatic patients: A longitudinal study Laura Cano-García; Sara Manrique-Arija; Rocío Redondo-Rodríguez; Marta Vera-Ruiz; Jose Manuel Lisbona-Montañez; Arkaitz Mucientes-Ruiz; Aimara García-Studer; Fernando Ortiz-Marquez; Natalia Mena-Vázquez; Antonio Fernández-Nebro;