RT Journal Article SR Electronic T1 Medical Research JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 604 OP 604 DO 10.1212/WNL.6.8.604 VO 6 IS 8 A1 R.N.DeJ. YR 1956 UL http://n.neurology.org/content/6/8/604.1.abstract AB