RT Journal Article SR Electronic T1 General Scientific Session JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 248 OP 248 DO 10.1212/WNL.14.3.248 VO 14 IS 3 A1 Richard P. Schmidt A1 Jack P. Whisnant YR 1964 UL http://n.neurology.org/content/14/3/248.1.abstract AB