No abstract available
Publication types
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Comparative Study
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Evaluation Study
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Angiography / methods*
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Angiography / statistics & numerical data*
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Female
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Humans
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Male
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Middle Aged
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Pennsylvania / epidemiology
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Registries*
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Reproducibility of Results
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Sensitivity and Specificity
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Stroke / diagnosis*
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Stroke / epidemiology*
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Vertebrobasilar Insufficiency / diagnosis*
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Vertebrobasilar Insufficiency / epidemiology*
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Young Adult