006660000a22001810004500003000900000005001700009110007100026245017400097020001800271264004900289490004000338300000900378041000800387650000900395650003300404650001700437700003000454PH-MaWHO20241108112343.0  aWHO Scientific Group on the Epidemiology of Aging (1983 : Geneva). 4aThe uses of epidemiology in the study of the elderly : report of a WHO Scientific Group on the Epidemiology of Aging [meeting held in Geneva from 11 to 17 January 1983].  a92-4-120706-X  aGeneva : bWorld Health Organization,c1984.  a(WHO technical report series ; 706)  a84p.  aeng  aAged  aHealth services for the aged  aEpidemiology  aWorld Health Organization