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Frequency and duration of drug-free remission after 1 year of treatment with etanercept versus sulfasalazine in early axial spondyloarthritis: 2 year data of the ESTHER trial
  1. Correspondence to Joachim Sieper, Charité, Department of Rheumatology, Campus Benjamin Franklin, Med. Clinic I, Rheumatology, Hindenburgdamm 30, 12200 Berlin, Germany; joachim.sieper{at}charite.de
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Song I, Althoff CE, Haibel H, et al
Frequency and duration of drug-free remission after 1 year of treatment with etanercept versus sulfasalazine in early axial spondyloarthritis: 2 year data of the ESTHER trial

Publication history

  • Received November 3, 2011
  • Accepted January 31, 2012
  • First published March 22, 2012.
Online issue publication 
June 13, 2012

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