The Effect of Radiation of Carotid Arteries, A Review Article
Arch Neurol 46:449-455, Murros,K.E.&Toole,J.F., 1989
Carotid Artery Occlusive Disease Following External Cervical Irrad
Arch Surg 107:395, Levinson,S.A.,et al, 1973
Radiation Injury of the Brain
AJNR 12:45-62, Valk,P.E. & Dillon,W.P., 1991