Gaze-induced Laughter
JNNP 40:815, Leopold,N.A., 1977
Degenerative Diseases of the Nervous System, Progressive Supranuclear Palsy
Adams & Victors Principles of Neurology, Chp 39, pg 1096, Ropper, A.H.,et al, 2014
Paramedian Pontine Infarction
Stroke 28:809-815, Kataoka,S.,et al, 1997
Chronic Progressive Spinobulbar Spasticity, A Rare Form of Primary Lateral Sclerosis
Arch Neurol 45:509-513, Gastaut,J.L.,et al, 1988