No abstract available
MeSH terms
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Adult
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False Positive Reactions
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Female
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Humans
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Morphine / therapeutic use
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Morphine / urine
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Pain / drug therapy*
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Pain / metabolism
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Pain / urine*
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Pain Management
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Patient Compliance
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Substance-Related Disorders / diagnosis*
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Substance-Related Disorders / metabolism
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Substance-Related Disorders / urine*