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There is an error in the legend of figure 2 of this article. The legend should read:
Improvement of inflammatory spinal lesions in a patient with ankylosing spondylitis in the T1/Gd-DTPA MRI sequence before (A) and after (B) treatment with etanercept. The hyperintensity of the signal in the vertebra is no more detectable after 6 weeks of therapy with etanercept.