[Live birth rate, mortality, and abortion rate in 1975-1980 and 12-months sliding averages].
D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D006079:Government Publications as Topic; D011154:Population Characteristics; D012106:Research; D012942:Social Sciences
Czechoslovakia; Demography; Developed Countries; Eastern Europe; Europe; Government Publication; Historical Demography; Historical Survey; Population Statistics; Research Methodology; Social Sciences
Zivorodnost, umrtnost a potratovost v letech 1975-1980 a 12 mesicni klouzave prumery.