No abstract available
MeSH terms
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Adult
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Amphetamine
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Attitude
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Barbiturates
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Criminal Psychology
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Drug Evaluation
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Employment
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Ethnicity
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Female
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Follow-Up Studies
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Heroin / urine
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Heroin Dependence / therapy*
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Humans
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Male
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Methadone / therapeutic use*
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Methadone / urine
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New York City
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Quinine / urine
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Social Control, Formal
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Social Welfare
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Substance-Related Disorders / epidemiology
Substances
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Barbiturates
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Heroin
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Quinine
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Amphetamine
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Methadone