RT Journal Article SR Electronic T1 The Lennox-Gastaut Syndrome JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 815 OP 815 DO 10.1136/jnnp.52.6.815 VO 52 IS 6 A1 Simon Shorvon YR 1989 UL http://jnnp.bmj.com/content/52/6/815.1.abstract AB