RT Journal Article SR Electronic T1 The 1950 Year Book of Neurology, Psychiatry and Neurosurgery JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 490 OP 490 DO 10.1212/WNL.1.11-12.490 VO 1 IS 11-12 A1 R.N.DeJ. YR 1951 UL http://n.neurology.org/content/1/11-12/490.abstract AB