RT Journal Article SR Electronic T1 Preface JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP S1 OP S1 DO 10.1212/WNL.49.2_Suppl_2.S1 VO 49 IS 2 Suppl 2 YR 1997 UL http://n.neurology.org/content/49/2_Suppl_2/S1.abstract AB