Medical Aspects of the Persistent Vegetative State
NEJM 330:1499-1508, 1572-15791994., Annas,G.J.,et al, 1994
Clinical Characteristics of Patients in the Persistent Vegetative State
Arch Int Med 151:930-932, 855-8561991., Tresch,D.D.,et al, 1991
Locked-In Syndrome:A Review of 139 Cases
Stroke 17:758-764, Patterson,J.R.&Grabois,M., 1986