The reality of Rheumatology in Spain and its autonomous communities before the pandemic Carlos Sánchez-Piedra; José María Álvaro-Gracia; Sagrario Bustabad-Reyes; Federico Díaz-González;

Update of the position paper of the Spanish Society of Rheumatology on biosimilar drugs Miguel Ángel Abad Hernández; José Luis Andreu; Alejandro Balsa Criado; Federico Díaz-González; José Vicente Moreno Muelas; Rubén Queiro Silva; Juan J. Gómez-Reino;

Management, development and methodology of the Clinical Practice Guidelines and Recommendations of the Spanish Society of Rheumatology Petra Díaz del Campo Fontecha; Noe Brito-García; Mercedes Guerra-Rodríguez; Silvia Herrera-López; Federico Díaz-González;