No abstract available
MeSH terms
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Acetylcholine / antagonists & inhibitors
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Amino Alcohols / pharmacology
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Ampicillin / pharmacology*
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Animals
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Atropine / pharmacology
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Barium / antagonists & inhibitors
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Bronchi / drug effects*
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Bronchial Spasm / chemically induced
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Chlorpheniramine / pharmacology
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Cyproheptadine / pharmacology
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Dibenzylchlorethamine / pharmacology
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Dogs
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Epinephrine / pharmacology
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Female
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Hexamethonium Compounds / pharmacology
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Histamine H1 Antagonists
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In Vitro Techniques
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Isoproterenol / pharmacology
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Male
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Morphine / pharmacology
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Muscle Contraction / drug effects*
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Muscle, Smooth / drug effects*
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Phenethylamines / pharmacology
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Respiration / drug effects
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Vagotomy
Substances
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Amino Alcohols
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Hexamethonium Compounds
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Histamine H1 Antagonists
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Phenethylamines
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Barium
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Cyproheptadine
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Chlorpheniramine
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Dibenzylchlorethamine
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Morphine
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Atropine
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Ampicillin
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Isoproterenol
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Acetylcholine
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Epinephrine