No abstract available
MeSH terms
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Acetylcholine / pharmacology
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Adrenergic alpha-Antagonists / pharmacology
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Ductus Arteriosus / innervation*
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Fetus
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Histocytochemistry
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Humans
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In Vitro Techniques
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Microscopy, Fluorescence
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Nerve Endings / anatomy & histology*
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Nerve Fibers, Myelinated
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Norepinephrine / analysis
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Norepinephrine / pharmacology
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Perfusion
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Phentolamine / pharmacology
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Pressure
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Thoracic Arteries / innervation
Substances
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Adrenergic alpha-Antagonists
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Acetylcholine
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Norepinephrine
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Phentolamine