No abstract available
MeSH terms
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Animals
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Aorta
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Blood Circulation*
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Blood Flow Velocity
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Cardiac Output
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Dogs
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Gravitation
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Hemodynamics* / drug effects*
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Pentobarbital / pharmacology
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Physical Exertion
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Positive-Pressure Respiration
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Posture
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Respiration*
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Veins*
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Venae Cavae