Analysis of the correlation between disease activity score 28 and its ultrasonographic equivalent in rheumatoid arthritis patients

oleh: Roxana Coras, Gustavo Añez Sturchio, Mireia Barceló Bru, Agustí Sellas Fernandez, Sandra Farietta, Salvador Campos Badia, Basilio Rodríguez Diez, Juan José de Agustín de Oro