Tophaceous gout in the lumbar spine causing radiculopathy Carolina Duarte-Salazar; Norma Marín-Arriaga; Lucio Ventura-Ríos; Armando Alpízar-Aguirre; Raúl Pichardo-Bahena; Aurelia Arellano Hernández;

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;