The Spectrum of Vertical Gaze Palsy Following Unilateral Brainstem Stroke
Neurol 41:1229-1234, Hommel,M.&Bogousslavsky,J., 1991
Vertical One-And-A-Half Syndrome
Arch Neurol 46:1361-1363, Deleu,D.,et al, 1989
Progressive Supranuclear Palsy:Clinical Features & Response to Treatment in 16 Patients
Ann Neurol 13:273-278, Jackson,J.A.,et al, 1983