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;

Ultrasound tenosynovitis: A differential feature of patients with seronegative rheumatoid arthritis Santiago Ruta; Einer Sanchez Prado; Facundo Salvatori; Juan Arguello; Darío Aguerre; Sebastián Magri; Rodrigo García Salinas;