The Pretectal Syndrome:206 Patients
Neurol 40:684-690, Keane,J.R., 1990
Downbeat Nystagmus Associated with Dolichoectasia of the Vertebrobasilar Artery
Arch Neurol 46:1005-1008, Jacobson,D.M.&Corbett,J.J., 1989
Periodic Alternating Nystagmus with Downward Beating Nystagmus, A Clinicoanatomical Case Study of Multiple Sclerosis
Arch Neurol 30:399-402, Keane,J.R., 1985
Drug-Induced Downbeat Nystagmus
Ann Neurol 12:227-228, Wheeler,S.D.,et al, 1982
Down-Beat Nystagmus
Neuroophthal System of Ophthal Vol. XII, St. Louis, C. V. Mosby Co, 1971, p. 878., Duke-Elder,S.&Scott,G.L., 1971