No abstract available
MeSH terms
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Acetylcholine / antagonists & inhibitors*
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Animals
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Anura
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In Vitro Techniques
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Muscle Contraction / drug effects*
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Pyridinium Compounds / pharmacology*
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Pyrrolidines / pharmacology*
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Quinuclidines / pharmacology*
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Tetraethylammonium Compounds / pharmacology*
Substances
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Pyridinium Compounds
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Pyrrolidines
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Quinuclidines
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Tetraethylammonium Compounds
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Acetylcholine