1. DeJong’s the neurologic examination;Campbell,2005
2. CURRENT diagnosis & treatment emergency medicine;Medley,2011
3. Cognitive assessment for clinicians;Kipps;J Neurol Neurosurg Psychiatry,2005
4. Assessing consciousness in critically ill patients BT - yearbook of intensive care and emergency medicine 2002;Laureys,2002
5. A systematic approach to the unconscious patient;Cooksley;Clin Med (Northfield Il),2018