No abstract available
MeSH terms
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Antibodies / analysis*
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Arthritis, Rheumatoid / complications*
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Arthritis, Rheumatoid / immunology*
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DNA Topoisomerases, Type I / immunology*
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Female
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Humans
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Middle Aged
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Rheumatoid Factor / analysis*
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Scleroderma, Systemic / complications*
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Scleroderma, Systemic / immunology*
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Syndrome
Substances
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Antibodies
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Rheumatoid Factor
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DNA Topoisomerases, Type I