RT Journal Article SR Electronic T1 Migrainous brain stem disturbance in Norrie disease: case report JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 815 OP 816 DO 10.1136/jnnp.70.6.815a VO 70 IS 6 A1 G P KALAMANGALAM A1 S J ELLIS YR 2001 UL http://jnnp.bmj.com/content/70/6/815.2.abstract AB