Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Cocaine
Adams & Victors Principles of Neurology Chp 43, pg 1213, Ropper, A.H.,et al, 2014
Neuropsychiatric Syndromes Associated With Multiple Sclerosis
J Neurol 254:II/73-II/76, Feinstein,A., 2007