No abstract available
MeSH terms
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Analgesics / chemical synthesis*
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Animals
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Codeine / analogs & derivatives*
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Codeine / chemical synthesis
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Codeine / pharmacology
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In Vitro Techniques
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Macaca fascicularis
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Male
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Mice
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Morphine Derivatives / chemical synthesis*
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Morphine Derivatives / pharmacology
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Rats
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Rats, Inbred Strains
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Structure-Activity Relationship
Substances
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Analgesics
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Morphine Derivatives
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Codeine