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Comment
. 2011 Sep;63(9):2835; author reply 2835-6.
doi: 10.1002/art.30480.

Difficulties in defining antinuclear antibody-positive patients as a separate category in the classification of juvenile idiopathic arthritis: comment on the article by Ravelli et al

Ellen Nordal, Nils T Songstad, Marite Rygg
Comment

Difficulties in defining antinuclear antibody-positive patients as a separate category in the classification of juvenile idiopathic arthritis: comment on the article by Ravelli et al

Ellen Nordal et al. Arthritis Rheum. 2011 Sep.
No abstract available

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