[Probability of infant death by age groups in Czechoslovakia and Slovakia from 1966-1978].
D000367:Age Factors; D003604:Czechoslovakia; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn
Pravdĕpodobnosti úmrtí kojenců podle vĕku v CSR a SSR v letech 1966-1978.