No abstract available
MeSH terms
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Arthritis, Infectious / diagnosis
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Arthritis, Reactive / diagnosis
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Arthritis, Reactive / etiology*
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Arthritis, Reactive / immunology
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Black People
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Cytotoxicity Tests, Immunologic
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Diagnosis, Differential
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Gonorrhea / diagnosis
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Histocompatibility Antigens / analysis*
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Humans
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Lymphocytes / immunology
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Male
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Spondylitis, Ankylosing / etiology
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White People
Substances
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Histocompatibility Antigens