Practical aspects of biological throught levels and antidrug antibodies in rheumatoid arthritis and spondyloarthritis José Rosas; María Martín-López; Teresa Otón; Alejandro Balsa; Jaime Calvo-Alén; Raimon Sanmartí; Jesús Tornero; Loreto Carmona;

Gastrointestinal symptoms in patients using methotrexate: A cross-sectional study in a sample with rheumatoid arthritis Carina Albuquerque Roberto; Isabela Stachevski; Barbara Stadler Kahlow; Renato Nisihara; Thelma Skare;

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;