No abstract available
MeSH terms
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Animals
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Cardiac Catheterization*
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Cardiac Pacing, Artificial
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Dogs
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Electrocardiography
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Female
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Heart Atria / physiopathology
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Humans
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Middle Aged
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Pulmonary Artery / physiopathology*
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Sinoatrial Node / physiopathology
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Tachycardia / physiopathology*