No abstract available
MeSH terms
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Carotid Stenosis / diagnostic imaging*
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Cavernous Sinus / diagnostic imaging
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Cerebral Angiography
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Cerebral Infarction / diagnostic imaging*
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Collateral Circulation / physiology*
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Humans
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Male
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Middle Aged
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Thalamic Diseases / diagnostic imaging*
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Ultrasonography, Doppler, Color*
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Vasa Vasorum / diagnostic imaging*