Author:
Sieiro Santos C.,Tandaipan J. L.,Castillo D.,Martínez-Martínez L.,Codes H.,Sainz Comas L.,Magallares B.,Moya P.,Mariscal A.,Park H.,Millán Arciniegas A. M.,Díaz-Torné C.,Laiz A.,Ros S.,Fernandez-Sanchez S. P.,Corominas H.,Diez Alvarez E.,Castellví I.
Publisher
BMJ Publishing Group Ltd and European League Against Rheumatism