No abstract available
MeSH terms
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Analgesics, Opioid / pharmacology
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Analgesics, Opioid / therapeutic use
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Animals
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Antitussive Agents / pharmacology
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Antitussive Agents / therapeutic use*
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Cough / drug therapy*
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Expectorants / pharmacology
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Expectorants / therapeutic use*
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Humans
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Morphine Derivatives / pharmacology
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Morphine Derivatives / therapeutic use
Substances
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Analgesics, Opioid
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Antitussive Agents
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Expectorants
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Morphine Derivatives