No abstract available
MeSH terms
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Animals
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Calcium / metabolism
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Electrophysiology
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Ferricyanides / pharmacology*
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Gallopamil / pharmacology*
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In Vitro Techniques
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Muscle Contraction / drug effects
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Nifedipine / pharmacology*
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Nitroprusside / pharmacology*
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Portal Vein / drug effects*
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Pyridines / pharmacology*
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Rats
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Verapamil / analogs & derivatives*
Substances
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Ferricyanides
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Pyridines
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Nitroprusside
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Gallopamil
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Verapamil
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Nifedipine
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Calcium