No abstract available
Keywords:
Anti-RNP antibodies; Child; Connective tissue disease; Raynaud phenomena; Sharp syndrome.
MeSH terms
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Adolescent
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Age Factors
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Child
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Child, Preschool
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Female
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Humans
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Male
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Mixed Connective Tissue Disease / complications
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Mixed Connective Tissue Disease / diagnosis*
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Mixed Connective Tissue Disease / epidemiology
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Retrospective Studies