Disorders of the Nervous System Caused by Drugs, Toxins and Chemical Agents, Mescaline, LSD, and Psilocybin
Adams & Victors Principles of Neurology Chp 43. pg 1215, Ropper, A.H.,et al, 2014
Subacute Sclerosing Panencephalitis
www.MedLink.com, February, Auwaeter,P.G.&Johnson,R.T., 2013
Progressive Supranuclear Palsy: A Current Review
The Neurologist 14:79-88, Lubarsky,M. &Juncos,J.L., 2008