No abstract available
MeSH terms
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Adult
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Alkaline Phosphatase / blood
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Aspartate Aminotransferases / blood
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Blood Proteins / analysis
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Drug Tolerance
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Ethnicity
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Female
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Heroin Dependence / drug therapy
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Heroin*
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Humans
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Liver Function Tests
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Male
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Methadone / administration & dosage
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Methadone / adverse effects*
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Methadone / therapeutic use
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Middle Aged
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New York City
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Prospective Studies
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Retrospective Studies
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Substance-Related Disorders*
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Time Factors
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Transaminases / blood
Substances
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Blood Proteins
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Heroin
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Transaminases
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Aspartate Aminotransferases
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Alkaline Phosphatase
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Methadone