No abstract available
Publication types
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Comment
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Comparative Study
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Editorial
MeSH terms
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Acetaminophen / therapeutic use*
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Chronic Disease
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Drug Therapy, Combination
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Humans
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Low Back Pain / diagnosis*
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Low Back Pain / drug therapy*
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Low Back Pain / epidemiology
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Pain Measurement
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Prognosis
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Severity of Illness Index
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Sickness Impact Profile
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Tramadol / therapeutic use*
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Treatment Outcome