Perceived quality of training in musculoskeletal ultrasound in Spanish rheumatology services Juan Molina Collada; Lucía Mayordomo;

Prevalence and demographic characteristics of Sjögren's syndrome in Colombia, based on information from the Official Ministry of Health Registry Daniel G. Fernández-Ávila; Diana N. Rincón-Riaño; Santiago Bernal-Macías; Juan M. Gutiérrez Dávila; Diego Rosselli;

Study of the impact of the inclusion of global pain and functional capacity assessment in the definition of remission and its maintenance for rheumatoid arthritis. Aims and methodology Alejandro Balsa; Daniel Seoane-Mato; Marta Domínguez-Álvaro; Mercedes Alperi; Virginia Ruiz-Esquide; Javier Bachiller-Corral; Federico Díaz-González;