006410000a22001690004500003000900000005001700009110006300026245018200089020001800271264004900289490004000338300000900378041000800387650002000395650002600415700003000441PH-MaWHO20241108112332.0 aWHO Expert Committee on Health Statistics (1966 : Geneva). aEpidemiological methods in the study of chronic diseases : eleventh report of the WHO Expert Committee on Health Statistics [meeting held in Geneva from 15 to 21 November 1966]. a92-4-120365-X aGeneva : bWorld Health Organization,c1967. a(WHO technical report series ; 365) a31p. aeng aChronic disease aEpidemiologic methods aWorld Health Organization