No abstract available
MeSH terms
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Acute Disease
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Deafness / chemically induced*
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Heroin / adverse effects*
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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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Narcotics / adverse effects*
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Narcotics / therapeutic use
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Vestibular Diseases / chemically induced*
Substances
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Narcotics
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Heroin
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Methadone