No abstract available
MeSH terms
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Aged
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Arthritis / complications
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Arthritis / genetics*
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Blood Group Antigens
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Female
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Humans
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Male
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Middle Aged
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Pedigree
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Pregnancy
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Psoriasis / complications
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Psoriasis / genetics*
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Spondylitis, Ankylosing / complications
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Spondylitis, Ankylosing / genetics
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Triplets