No abstract available
MeSH terms
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Humans
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Methadone / administration & dosage
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Methadone / urine
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Narcotics / administration & dosage
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Narcotics / urine
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Opioid-Related Disorders / rehabilitation
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Opioid-Related Disorders / urine*
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Substance Abuse Detection / economics
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Substance Abuse Detection / methods*
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Substance Abuse Detection / standards
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Urinalysis / economics
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Urinalysis / methods*
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Urinalysis / standards