Ependymomas of the Posterior Cranial Fossa:CT and MRI Findings
Neuroradiology 37:238-243, Tortori-Donati,P.,et al, 1995
Dolichoectatic Basilar Artery:A Review of 23 Cases
Stroke 17:1277-1281, Nishizaki,T.,et al, 1986
Acquired Lesions of the Fourth Cranial Nerve
Brain 93:567, Berger,J.,et al, 1970