Initial validation and results of the Symptoms in Persons At Risk of Rheumatoid Arthritis (SPARRA) questionnaire: a EULAR project.
van Beers-Tas MH, Ter Wee MM, van Tuyl LH, Maat B, Hoogland W, Hensvold AH, Catrina AI, Mosor E, Stamm TA, Finckh A, Courvoisier DS, Filer A, Sahbudin I, Stack RJ, Raza K, van Schaardenburg D.
van Beers-Tas MH, et al. Among authors: maat b.
RMD Open. 2018 May 21;4(1):e000641. doi: 10.1136/rmdopen-2017-000641. eCollection 2018.
RMD Open. 2018.
PMID: 29862044
Free PMC article.