No abstract available
MeSH terms
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Adolescent
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Alcoholism*
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Barbiturates*
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Black People*
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Connecticut
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Depression*
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Depressive Disorder*
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Geriatrics*
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Heroin*
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Meperidine*
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Morphine Dependence*
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Neurotic Disorders*
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Social Conditions*
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Statistics as Topic*
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Substance-Related Disorders*
Substances
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Barbiturates
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Heroin
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Meperidine