Primary Position Upbeat Nystagmus Due to Unilateral Medial Medullary Infarction
Ann Neurol 43:403-406, Hirose,G.,et al, 1998
The Pretectal Syndrome:206 Patients
Neurol 40:684-690, Keane,J.R., 1990
Lateropulsion & Upbeat Nystagmus are Manifestations of Central Vestibular Dysfunction
Arch Neurol 43:962-964, Benjamin,E.E.,et al, 1986