Initial validation and results of the Symptoms in Persons At Risk of Rheumatoid Arthritis (SPARRA) questionnaire: a EULAR project

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Authors: Marian H van Beers-Tas, Marieke M ter Wee, Lilian H van Tuyl, Bertha Maat, Wijnanda Hoogland, Aase H Hensvold, Anca I Catrina, Erika Mosor, Tanja A Stamm, Axel Finckh, Delphine S Courvoisier, Andrew Filer, Ilfita Sahbudin, Rebecca J Stack, Karim Raza, Dirkjan van Schaardenburg

Journal title: RMD Open

Journal number: 4/1

Journal publisher: BMJ

Published year: 2018

Published pages: e000641

DOI identifier: 10.1136/rmdopen-2017-000641

ISSN: 2056-5933