No abstract available
MeSH terms
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Adult
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Age Factors
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Black or African American
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Educational Status
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Ejaculation
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Erectile Dysfunction / chemically induced
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Erectile Dysfunction / etiology
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Female
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Heroin Dependence / complications*
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Heroin Dependence / therapy
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Humans
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Male
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Methadone / administration & dosage
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Methadone / adverse effects
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Middle Aged
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Sexual Dysfunction, Physiological / etiology*