(Q44104487)
Statements
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The frequency of non-radiographic axial spondyloarthritis in relation to symptom duration in patients referred because of chronic back pain: results from the Berlin early spondyloarthritis clinic (English)
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Henning Brandt
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Janis Vahldiek
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Inge Spiller
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In-Ho Song
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Martin Rudwaleit
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Joachim Sieper
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21 August 2012
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71
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12
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1998-2001
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Identifiers
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