No abstract available
MeSH terms
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Amnesia / etiology*
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Blood Flow Velocity
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Case-Control Studies
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Humans
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Jugular Veins / diagnostic imaging*
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Middle Aged
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Ultrasonography, Doppler, Color / methods*
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Venous Insufficiency / complications
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Venous Insufficiency / diagnostic imaging*
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Venous Insufficiency / physiopathology