No abstract available
MeSH terms
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Adolescent
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Adult
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Arthritis, Juvenile / immunology*
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Child
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HLA Antigens / analysis*
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Histocompatibility Antigens / analysis*
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Humans
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Joint Diseases / diagnosis
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Phenotype
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Prognosis
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Radiography
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Sacroiliac Joint / diagnostic imaging
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Spondylitis, Ankylosing / diagnosis
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Spondylitis, Ankylosing / immunology
Substances
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HLA Antigens
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Histocompatibility Antigens