No abstract available
MeSH terms
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Animals
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Basilar Artery / drug effects*
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Cerebral Arteries / drug effects*
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Dogs
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Female
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Histamine / pharmacology
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In Vitro Techniques
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Male
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Muscle, Smooth, Vascular / drug effects*
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Norepinephrine / pharmacology
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Potassium Chloride / pharmacology
Substances
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Potassium Chloride
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Histamine
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Norepinephrine