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TitleCreatorDescriptionIdentifier
1 Intermittent Downbeat Nystagmus Due to Vertebral Artery CompressionRosengart, Axel; Hedges, Thomas R; Teal, Philip A; DeWitt, L Dana; Caplan, Louis RA 64 year old man developed downbeat nystagmus whenever he rotated his neck to the left. Cerebral angiography demonstrated a hypoplastic right vertebral artery. Selective injection of the left vertebral showed normal flow with the head in neutral position or turned to the right, but severe narrowing...19920225_nanos_posters_10
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