Posttraumatic Cerebral Infarction Diagnosed by CT:Prevalence, Origin, and Outcome
AJR 154:1293-1298, Mirvis,S.E.,et al, 1990
Carotid Artery Vasospasm Complicating Extensive Skull Base Surgery: Cause, Prevention, and Management
Otolaryngol Head Neck Surg 97:1-7, Smith, P.G. & Killeen, T.E., 1987