The Acquired Metabolic Disorders of the Nervous System, Ischemic-Hypoxic EncephalopathyAdams & Victors Principles of Neurology Chp 40, pg 1133, Ropper, A.H.,et al, 2014
Chronic Disorders of ConsciousnessLancet 367:1181-1192, Bernat,J.L., 2006