PT - JOURNAL ARTICLE ED - , TI - Ageing AID - 10.1212/WNL.5.11.826-a DP - 1955 Nov 01 TA - Neurology PG - 826--826-a VI - 5 IP - 11 4099 - http://n.neurology.org/content/5/11/826.2.short 4100 - http://n.neurology.org/content/5/11/826.2.full SO - Neurology1955 Nov 01; 5