Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, CocaineAdams & Victors Principles of Neurology Chp 43, pg 1213, Ropper, A.H.,et al, 2014
Microangiopathy of the Brain & RetinaNeurol 29:313-316, Susac,J.O.,et al, 1979