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musculoskeletal:disorder,
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spinal:disorder,
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musculoskeletal:injury,
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common:injury,
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related:sickness,
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physical:discomfort,
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unpleasant:condition,
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moderate:injury,
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adverse:condition,
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simple:case,
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occupational:injury,
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medical:condition,
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acute:condition,
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traumatic:injury,
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serious:injury,
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physical:strain,
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relevant:injury,
Category Nuances for back_strain:
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serious,
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occupational,
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musculoskeletal,
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adverse,
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unpleasant,
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spinal,
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simple,
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moderate,
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related,
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physical,
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acute,
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relevant,
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common,
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traumatic,
-
medical,
Simple Categories for back_strain: