No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Alleles
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Arthritis, Rheumatoid / epidemiology
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Arthritis, Rheumatoid / genetics*
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DNA / genetics
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Ethnicity / genetics
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Female
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Gene Frequency / genetics
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HLA-DR Antigens / genetics*
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Humans
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Male
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Middle Aged
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South Africa / epidemiology
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South Africa / ethnology