Revised Infant Mortality Rates and Births for the United States, 1915-1940
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下载链接：
https://www.icpsr.umich.edu/web/ICPSR/studies/37076
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资源简介：
This project provides the revised birth estimates, infant mortality rates, and maternal mortality rates at the state- and national-level and by race.
提供机构：
ICPSR - Interuniversity Consortium for Political and Social Research
创建时间：
2018-06-14
