No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Atropine / pharmacology
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Carbachol / pharmacology*
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Cattle
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Dose-Response Relationship, Drug
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Isoproterenol / pharmacology*
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Muscle Relaxation / drug effects
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Muscle, Smooth / drug effects*
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Nucleotides, Cyclic / metabolism*
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Phosphoric Diester Hydrolases / metabolism
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Theophylline / pharmacology*
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Trachea
Substances
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Nucleotides, Cyclic
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Atropine
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Carbachol
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Theophylline
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Phosphoric Diester Hydrolases
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Isoproterenol