title: [Twenty-first demographic conference of the Czechoslovak Demographic Society:  the present demographic situation of Czechoslovakia].
mesh_terms: D000028:Abortion, Induced; D003226:Congresses as Topic; D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D004243:Divorce; D004641:Emigration and Immigration; D005060:Europe; D005061:Europe, Eastern; D005191:Family Characteristics; D005193:Family Planning Services; D005298:Fertility; D008393:Marriage; D009026:Mortality; D011153:Population; D011157:Population Dynamics
keywords: Abortion, Induced; Conferences And Congresses; Czechoslovakia; Demographic Aging; Demographic Factors; Developed Countries; Divorce; Eastern Europe; Europe; Family And Household; Family Planning; Fertility; Fertility Control, Postconception; Migration; Mortality; Nuptiality; Population; Population Dynamics