No abstract available
MeSH terms
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Adolescent
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Adult
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Estradiol / blood
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Follicle Stimulating Hormone / blood
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Heroin Dependence / blood*
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Humans
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Luteinizing Hormone / blood
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Male
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Methadone*
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Middle Aged
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Substance-Related Disorders / blood*
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Testosterone / blood
Substances
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Testosterone
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Estradiol
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Luteinizing Hormone
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Follicle Stimulating Hormone
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Methadone