RT Journal Article SR Electronic T1 Richter's syndrome of the brain and the spinal cord JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 943 OP 944 DO 10.1136/jnnp.2010.209759 VO 82 IS 8 A1 T D Graves A1 G P Collins A1 A Parry YR 2011 UL http://jnnp.bmj.com/content/82/8/943.abstract AB