No abstract available
MeSH terms
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Adolescent
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Adult
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Atropine / pharmacology
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Bradycardia / etiology*
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Heart Conduction System / physiology
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Heart Rate / drug effects
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Humans
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Male
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Parasympathetic Nervous System / physiology
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Physical Education and Training*
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Physical Exertion / physiology
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Propranolol / pharmacology
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Sympathetic Nervous System / physiology