@ARTICLE{
author={Sokka Tuulikki,Kautiainen Hannu,Toloza Sergio,Makinen Heidi,Verstappen Suzan MM,Hetland Merete Lund,Naranjo Antonio,Baecklund Eva,Herborn Gertraud,Rau Rolf,Cazzato Massimiliano,Gossec Laure,Skakic Vlado,Gogus Feride,Sierakowski Stanislaw,Bresnihan Barry,Taylor Peter,McClinton Catherine,Pincus Theodore},
year={2007},
title={QUEST-RA: quantitative clinical assessment of patients with rheumatoid arthritis seen in standard rheumatology care in 15 countries},
journal={ANNALS OF THE RHEUMATIC DISEASES},
volume={66},
number={11},
pages={1491-1496},
document_type={Article},
} 

@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},
} 

@ARTICLE{
author={Sokka Tuulikki,Makinen Heidi,Hetland Merete Lund,Verstappen Suzan MM,Toloza Sergio,Herborn Gertraud,Naranjo Antonio,Gossec Laure,Bresnihan Barry,Gazzato M,Baecklund Eva,Sierakowski Stanislaw,Tunc Recep,Skakic Vlado,Pincus Theodore},
year={2006},
title={A multinational cross-sectional database to assess clinical status of patients with rheumatoid arthritis (QUEST-RA)},
journal={SCANDINAVIAN JOURNAL OF RHEUMATOLOGY},
volume={35},
number={},
pages={32-33},
document_type={Meeting Abstract},
}