Demographers converge on Chicago.
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Americas↗
Biomedical subjects
J Van Der Tak
Publications and source records attributed to J Van Der Tak.
Population pressures in Latin America.
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Age Factors↗
The invisible hand in San Francisco.
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Americas↗
Our population predicament: a new look.
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Demography↗
Infant mortality: progress and problems.
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Abortion, Legal↗
Major trends in recent abortion research.
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Abortion, Induced↗