PT - JOURNAL ARTICLE ED - , TI - FOREWORD AID - 10.1212/WNL.22.5_Part_2.I DP - 1972 May 01 TA - Neurology PG - I--I VI - 22 IP - 5 Part 2 4099 - http://n.neurology.org/content/22/5_Part_2/I.short 4100 - http://n.neurology.org/content/22/5_Part_2/I.full SO - Neurology1972 May 01; 22