006400000a22001690004500003000900000005001700009110005900026245018100085020001800266264004900284490004000333300000900373041000800382650002300390650002700413700003000440PH-MaWHO20241108112333.0 aWHO Expert Committee on Mental Health (1967 : Geneva). aOrganization of services for the mentally retarded : fifteenth report of the WHO Expert Committee on Mental Health [meeting held in Geneva from 26 September to 2 October 1967]. a92-4-120392-7 aGeneva : bWorld Health Organization,c1968. a(WHO technical report series ; 392) a55p. aeng aMental retardation aMental health services aWorld Health Organization