No abstract available
MeSH terms
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Adolescent
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Adult
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Back Pain / etiology*
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Case-Control Studies
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Cross-Sectional Studies
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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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Sensitivity and Specificity
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Severity of Illness Index*
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Spondylitis, Ankylosing / complications*
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Spondylitis, Ankylosing / diagnosis*
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Surveys and Questionnaires*
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Young Adult