No abstract available
MeSH terms
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Cross-Sectional Studies
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Diagnosis, Differential
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Ethnicity / genetics
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Genetic Predisposition to Disease / genetics
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HLA-B27 Antigen / genetics
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Humans
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Incidence
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Phenotype
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Spondylitis, Ankylosing / diagnosis*
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Spondylitis, Ankylosing / epidemiology
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Spondylitis, Ankylosing / genetics