No abstract available
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Animals
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Behavior, Animal / drug effects
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Haplorhini
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Heroin / administration & dosage*
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Injections, Intravenous
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Macaca mulatta
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Methadone / administration & dosage*
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Methadone / analogs & derivatives*
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Methadyl Acetate / administration & dosage*
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Morphine / administration & dosage*
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Narcotics / toxicity
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Respiration / drug effects
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Self Administration
Substances
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Narcotics
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Heroin
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Morphine
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Methadyl Acetate
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Methadone