Comparison of two referral strategies for diagnosis of axial spondyloarthritis: the Recognising and Diagnosing Ankylosing Spondylitis Reliably (RADAR) study
Joachim Sieper, Shankar Srinivasan, Omid Zamani, Herman Mielants, Denis Choquette, Karel Pavelka, Anne Gitte Loft, Pál Géher, Debashish Danda, Tatiana Reitblat, Fabrizio Cantini, Codrina Ancuta, Shandor Erdes, Helena Raffayová, Andrew Keat, J S H Gaston, Sonja Praprotnik, Nathan Vastesaeger
Annals of the Rheumatic Diseases Oct 2013, 72 (10) 1621-1627; DOI: 10.1136/annrheumdis-2012-201777