No abstract available
MeSH terms
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Adrenergic alpha-Antagonists*
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Animals
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Calcium / pharmacology
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Dihydroergotoxine / pharmacology*
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In Vitro Techniques
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Male
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Muscle Contraction / drug effects*
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Muscle, Smooth / drug effects*
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Muscle, Smooth, Vascular / drug effects
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Norepinephrine / pharmacology
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Papaverine / pharmacology
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Rats
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Vas Deferens / drug effects
Substances
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Adrenergic alpha-Antagonists
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Dihydroergotoxine
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Papaverine
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Calcium
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Norepinephrine