No abstract available
MeSH terms
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Arthritis, Rheumatoid / genetics*
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Arthritis, Rheumatoid / immunology
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Diseases in Twins / genetics
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Forecasting
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HLA Antigens / analysis
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HLA Antigens / genetics
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HLA-DR4 Antigen / analysis
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Humans
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Twins, Monozygotic
Substances
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HLA Antigens
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HLA-DR4 Antigen