Positional Down Beating Nystagmus in 50 Patients: Cerebellar Disorders and Possible Anterior Semicircular Canalithiasis
JNNP 72:366-372, Bertholon,P.,et al, 2002
Progressive Pontobulbar Palsy With Deafness
Arch Neurol 38:186-190, Brucher,J.M.,et al, 1981