No abstract available
MeSH terms
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Animals
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Antitussive Agents / administration & dosage
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Antitussive Agents / pharmacology*
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Bronchial Spasm / drug therapy*
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Guinea Pigs
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Histamine / administration & dosage
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Histamine / pharmacology
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Plants, Medicinal / drug effects*
Substances
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Antitussive Agents
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Histamine