Vertigo of Vascular Origin, Clinical and Electronystagmographic Features in 84 Cases
Arch Neurol 46:281-284, Grad,A.&Balch,R.W., 1989
Dizziness & Vertigo in Vertebrobasilar Disease, Part II. Central Causes & Vertebrobasilar Disease
Stroke 11:413-415, Troost,B.T., 1980
Central Vertigo
Otolaryn Clin North Am 6:267, Frederic,M., 1973
Basilar-Vertebral Artery Insufficiency as a Case of Vertigo
Otolary Clin North Am 6:287, Burns,R., 1973