[Optimization of population quality].
D001695:Biology; D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005823:Genetics; D005828:Genetics, Population; D006076:Government; D011057:Politics; D011153:Population; D011154:Population Characteristics; D012098:Reproduction
Biology; Czechoslovakia; Demographic Factors; Developed Countries; Eastern Europe; Europe; Genetics; Genetics, Population; Government; Political Factors; Population; Population Characteristics; Reproduction
Optimalizace kvality populace.