@ARTICLE{
author={Sokka Tuulikki,Hakkinen Arja,Kautiainen Hannu,Maillefert Jean Francis,Toloza Sergio,Hansen Troels Mork,Calvo-Alen Jaime,Oding Rolf,Liveborn Margareth,Huisman Margriet,Alten Rieke,Pohl Christof,Cutolo Maurizio,Immonen Kai,Woolf Anthony,Murphy Eithne,Sheehy Claire,Quirke Edel,Celik Selda,Yazici Yusuf,Tlustochowicz Witold,Kapolka Danuta,Skakic Vlado,Roikovich Bernadette,Muller Raili,Stropuviene Sigita,Andersone Daina,Drosos Alexandros A,Lazovskis Juris,Pincus Theodore},
year={2008},
title={Physical inactivity in patients with rheumatoid arthritis: Data from twenty-one countries in a cross-sectional, international study},
journal={ARTHRITIS & RHEUMATISM-ARTHRITIS CARE & RESEARCH},
volume={59},
number={1},
pages={42-50},
document_type={Article},
} 

