Author:
Rueda I.,Rodríguez Salas G.,Santos A. M.,Mantilla M. J.,Santacruz Devia J. C.,Calvo E.,Ballesteros J. G.,Arias S.,Rueda J.,Cardiel M.,Pacheco Tena C. F.,Navarro-Compán V.,Londono J.
Publisher
BMJ Publishing Group Ltd and European League Against Rheumatism