@ARTICLE{
author={Sokka Tuulikki,Hetland Merete Lund,Makinen Heidi,Kautiainen Hannu,Horslev-Petersen Kim,Luukkainen Reijo K,Combe Bernard,Badsha Humeira,Drosos Alexandros A,Devlin Joe,Ferraccioli Gianfranco,Morelli Alessia,Hoekstra Monique,Majdan Maria,Sadkiewicz Stefan,Belmonte Miguel,Holmqvist Ann-Carin,Choy Ernest,Burmester Gerd R,Tunc Recep,Dimic Aleksandar N,Nedovic Jovan M,Stankovic Aleksandra M,Bergman Martin,Toloza Sergio,Pincus Theodore},
year={2008},
title={Remission and rheumatoid arthritis - Data on patients receiving usual care in twenty-four countries},
journal={ARTHRITIS AND RHEUMATISM},
volume={58},
number={9},
pages={2642-2651},
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},
}