RT Journal Article SR Electronic T1 Price change JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1256 OP 1256-a DO 10.1212/WNL.23.11.1256-a VO 23 IS 11 YR 1973 UL http://n.neurology.org/content/23/11/1256.2.abstract AB