No abstract available
MeSH terms
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Anesthesia, General*
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Animals
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Blood Flow Velocity / drug effects
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Coronary Artery Bypass*
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Diastole / drug effects
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Dogs
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Dose-Response Relationship, Drug
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Echocardiography, Doppler*
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Fentanyl* / pharmacology
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Heart Rate / drug effects
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Hemodynamics / drug effects*
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Humans
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Mitral Valve / drug effects*
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Myocardial Contraction / drug effects
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Pulmonary Veins / drug effects*