[Nuptiality and fertility of minors in the Czech Socialist Republic].
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Abortion, Induced↗
Biomedical subjects
J Rychtarikova
Publications and source records attributed to J Rychtarikova.
[Nuptiality tables and methods for constructing them].
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Czechoslovakia↗
[A new view on fertility developments during the years 1965-1980 in Bulgaria and Czechoslovakia].
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Bulgaria↗
[Prenatal human sex ratios].
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Czechoslovakia↗
[The significance of infant mortality in demographic reproduction].
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Czechoslovakia↗