@article{52ea6abfce744d6185472da36d9af81b,
title = "Construct and criterion validity of several proposed DAS28-based rheumatoid arthritis flare criteria: an OMERACT cohort validation study",
abstract = "To describe rheumatoid arthritis (RA) worsening that leads to change or re-initiation of treatment, several Disease Activity Score 28 (DAS28)-based flare criteria have been described, but none validated.",
author = "{van der Maas}, Aatke and Elisabeth Lie and Robin Christensen and Ernest Choy and {de Man}, {Ya{\"e}l A} and {van Riel}, Piet and Thasia Woodworth and {den Broeder}, {Alfons A}",
year = "2013",
month = nov,
day = "1",
doi = "10.1136/annrheumdis-2012-202281",
language = "English",
volume = "72",
pages = "1800--5",
journal = "Annals of the Rheumatic Diseases",
issn = "0003-4967",
publisher = "Elsevier BV",
number = "11",
}