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;

Update of the Mexican College of Rheumatology guidelines for the pharmacological treatment of rheumatoid arthritis, 2018 Mario H. Cardiel; Sandra Carrillo; Marcela Pérez; Lilia Andrade; César Pacheco Tena; Luis H. Silveira; Leonardo Limón; Sergio Cerpa; Sergio Gutiérrez Ureña; Sergio Durán; Fedra Irazoque Palazuelos; Sandra Muñoz López; Sandra Araceli Sicsik Ayala; Leonor Barile; María Azucena Ramos Sánchez; Daniel Grajeda Portes; Margarita Portela; Alina Hernández Bedolla; José Luis García-Figueroa; Mauricio Montero; Carlos Abud-Mendoza; Marco Ulises Martínez Martínez; David Herrera van Ostdam; Virginia Pascual-Ramos; Javier Merayo-Chalico; Istar Guzmán-Sánchez; María Esther Pérez-Bastidas; Jorge Enrique Aguilar Arreola; Alejandra López Rodríguez; Greta Reyes-Cordero; Humberto Alfredo Ricardez; María Fernanda Hernández Cabrera; Guadalupe Olvera-Soto; Daniel Xibillé Friedmann;

Consensus statement on the use of biosimilar drugs in immune-mediated diseases in Spain Emilio Monte-Boquet; Ángeles Florez; Guillermo José Alcaín Martínez; Agustí Sellas;