Cavanaugh, D A Polytetrafluoroethylene interposition grafts in vertebral to carotid artery transposition. A long-term follow-up study. [electronic resource] - Journal of neurosurgery Feb 1989 - 212-5 p. digital Publication Type: Journal Article ISSN: 0022-3085 Standard No.: 10.3171/jns.1989.70.2.0212 doi Subjects--Topical Terms: AgedBlood Vessel ProsthesisBrain Ischemia--diagnostic imagingCarotid Arteries--diagnostic imagingCerebral AngiographyFollow-Up StudiesHumansMiddle AgedPolytetrafluoroethyleneTime Factors