No abstract available
MeSH terms
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Arrhythmias, Cardiac / drug therapy*
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Atrioventricular Node / drug effects
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Calcium / antagonists & inhibitors*
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Heart Rate / drug effects
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Humans
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Nifedipine / pharmacology
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Nifedipine / therapeutic use*
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Pyridines / therapeutic use*
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Sinoatrial Node / drug effects
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Verapamil / pharmacology
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Verapamil / therapeutic use*
Substances
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Pyridines
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Verapamil
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Nifedipine
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Calcium