No abstract available
MeSH terms
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Back Pain / economics*
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Back Pain / etiology
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Back Pain / therapy
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Chronic Disease
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Electric Stimulation Therapy / economics
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Health Care Costs*
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Humans
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Narcotics / economics
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Process Assessment, Health Care / economics*
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Spinal Diseases / complications
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Spinal Diseases / economics*
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Spinal Diseases / therapy