No abstract available
MeSH terms
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Diseases in Twins / genetics
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Environment
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Genetic Predisposition to Disease
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HLA-B27 Antigen / analysis
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HLA-B27 Antigen / genetics
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Humans
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Spondylitis, Ankylosing / etiology
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Spondylitis, Ankylosing / genetics*
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Spondylitis, Ankylosing / immunology