PT - JOURNAL ARTICLE ED - , TI - Preface AID - 10.1212/WNL.49.2_Suppl_2.S1 DP - 1997 Aug 01 TA - Neurology PG - S1--S1 VI - 49 IP - 2 Suppl 2 4099 - http://n.neurology.org/content/49/2_Suppl_2/S1.short 4100 - http://n.neurology.org/content/49/2_Suppl_2/S1.full SO - Neurology1997 Aug 01; 49