@ARTICLE{
author={Sokka Tuulikki,Verstappen Suzan MM,Hetland Merete Lund,Makinen Heidi,Naranjo Antonio,Belmonte Miguel,Baecklund Eva,Henrohn Dan,Herborn Gertraud,Rau Rolf,Morelli Alessia,Ferraccioli Gianfranco,Combe Bernard,McClinton Catherine,Tunc Recep,Sierakowski Stanislaw,Romanowski W,Skakic Vlado,Murphy Eithne,Sheehy Claire,Bergman Martin},
year={2006},
title={Work disability in patients with rheumatoid arthritis in 15 countries.},
journal={ARTHRITIS AND RHEUMATISM},
volume={54},
number={9},
pages={S99-S99},
document_type={Meeting Abstract},
} 

@ARTICLE{
author={Sokka Tuulikki,Verstappen Suzan MM,Hetland Merete Lund,Makinen Heidi,Naranjo Antonio,Belmonte Miguel,Baecklund Eva,Henrohn Dan,Herborn Gertraud,Rau Rolf,Morelli Alessia,Ferraccioli Gianfranco,Combe Bernard,McClinton Catherine,Tunc Recep,Sierakowski Stanislaw,Romanowski W,Skakic Vlado,Murphy Eithne,Sheehy Claire,Bergman Martin},
year={2006},
title={Work disability in patients with rheumatoid arthritis in 15 countries.},
journal={ARTHRITIS AND RHEUMATISM},
volume={54},
number={9},
pages={S57-S57},
document_type={Meeting Abstract},
}