Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Opiates and Synthetic Analgesic Drugs
Adams & Victors Principles of Neurology Chp 43, pg 1201, Ropper, A.H.,et al, 2014
MR Imaging in Comatose Survivors of Cardiac Resuscitation
AJNR 22:1561-1565, Wijdicks,E.F.M.,et al, 2001