TY  - JOUR 
AU  - Sopeña Perez-Argüelles, Bernardo
AU  - Pérez Alvarez, Roberto
AU  - Fernández Regal, Inés
PY  - 2014
SN  - 1462-0324
UR  - http://hdl.handle.net/20.500.11940/1105
LA  - eng
TI  - Systemic involvement in primary Sjogren's syndrome evaluated by the EULAR-SS disease activity index: Analysis of 921 spanish patients (GEAS-SS registry)
T2  - RHEUMATOLOGY
VL  - 53
ER  -