No abstract available
MeSH terms
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Animals
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Delayed-Action Preparations
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Dog Diseases / diagnosis*
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Dogs
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Electrocardiography / veterinary*
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Female
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Sick Sinus Syndrome / diagnosis
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Sick Sinus Syndrome / veterinary*
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Theophylline / administration & dosage
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Theophylline / therapeutic use
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Vasodilator Agents / administration & dosage
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Vasodilator Agents / therapeutic use
Substances
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Delayed-Action Preparations
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Vasodilator Agents
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Theophylline