title: [Development of defeminization in 1900-2000 and its relations to the aging process of the Czechoslovak population].
authors.forename: M
authors.initials: M
authors.lastname: Cerny
mesh_terms: D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D011153:Population; D011154:Population Characteristics
keywords: Czechoslovakia; Demographic Factors; Developed Countries; Eastern Europe; Europe; Population; Population Characteristics