PT - JOURNAL ARTICLE ED - , TI - Man and Civilization AID - 10.1212/WNL.13.2.180 DP - 1963 Feb 01 TA - Neurology PG - 180--180 VI - 13 IP - 2 4099 - http://n.neurology.org/content/13/2/180.1.short 4100 - http://n.neurology.org/content/13/2/180.1.full SO - Neurology1963 Feb 01; 13