A Blind PanicLancet 357:1262, Ayuk,J.,et al, 2001
Disorders of the Nervous System Caused by Drugs, Toxins and Chemical Agents, Mescaline, LSD, and PsilocybinAdams & Victors Principles of Neurology Chp 43. pg 1215, Ropper, A.H.,et al, 2014