No abstract available
MeSH terms
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Adult
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Aged
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Dextromethorphan / therapeutic use*
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Heroin Dependence / psychology
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Heroin Dependence / rehabilitation*
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Humans
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Male
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Methadone / therapeutic use
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Middle Aged
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Patient Satisfaction
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Substance Withdrawal Syndrome / prevention & control
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Substance Withdrawal Syndrome / psychology
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Treatment Outcome
Substances
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Dextromethorphan
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Methadone