Usefulness of ultrasound in clinical decision-making in rheumatology clinical practice: A single-center longitudinal study Marta Serrano-Warleta; Aliuska Palomeque-Vargas; Rosa Manzo; Boris Blanco-Cáceres; Mónica Vazquez-Díaz; Carlos Guillen-Astete;

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

Delay and diagnostic pathway of patients with psoriatic arthritis in Spain Carlos Antonio Guillen Astete; Irene Gaite Gonzalez; Pablo Antonio Zurita Prada; Claudia Urrego Laurin;