RT Journal Article SR Electronic T1 Nerve Excitation JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 423 OP 423 DO 10.1212/WNL.19.4.423 VO 19 IS 4 A1 WILLIAM M. LANDAU YR 1969 UL http://n.neurology.org/content/19/4/423.abstract AB