Degenerative Diseases of the Nervous System, Progressive Supranuclear Palsy
Adams & Victors Principles of Neurology, Chp 39, pg 1096, Ropper, A.H.,et al, 2014
Stimulus-Induced Pathologic Laughter Due to Basilar Artery Dissection
Neurol 64:2154-2155, Arif,H.,et al, 2005