@ARTICLE{
author={Sokka Tuulikki,Toloza Sergio,Cutolo Maurizio,Kautiainen Hannu,Makinen Heidi,Gogus Feride,Skakic Vlado,Badsha Humeira,Peets Tonu,Baranauskaite Asta,Geher Pal,Ujfalussy Ilona,Skopouli Fotini N,Mavrommati Maria,Alten Rieke,Pohl Christof,Sibilia Jean,Stancati Andrea,Salaffi Fausto,Romanowski Wojciech,Zarowny-Wierzbinska Danuta,Henrohn Dan,Bresnihan Barry,Minnock Patricia,Knudsen Lene Surland,Jacobs Johannes WG,Calvo-Alen Jaime,Lazovskis Juris,Castelar Pinheiro Geraldo da Rocha,Karateev Dmitry,Andersone Daina,Rexhepi Sylejman,Yazici Yusuf,Pincus Theodore},
year={2009},
title={Women, men, and rheumatoid arthritis: analyses of disease activity, disease characteristics, and treatments in the QUEST-RA Study},
journal={ARTHRITIS RESEARCH & THERAPY},
volume={11},
number={1},
pages={-},
document_type={Article},
} 

@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},
}