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
Cerebral Venous Thrombosis
Bousser, M-G & Barnett, H. J. M. , in Stroke, Pathophysiol, Diag & Manage, 2nd Ed, Churchhill Living, tone, NY, Ch 19,, 1992