RT Journal Article SR Electronic T1 Acute brainstem displacement without uncal herniation and posterior cerebral artery injury JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 744 OP 744 DO 10.1136/jnnp.2007.126227 VO 79 IS 7 A1 E F M Wijdicks YR 2008 UL http://jnnp.bmj.com/content/79/7/744.abstract AB