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
Gaze-induced Laughter
JNNP 40:815, Leopold,N.A., 1977