NCHS - All-County Linked Births/Infant Deaths File with Exact Dates of Birth and Death
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资源简介：
This dataset includes all infant deaths that were linked to their corresponding birth certificate and includes all items released in the public-use file. Additional information in this file includes state and county of residence and exact dates of birth and death (which includes day of month, month, and year).
创建时间：
2022-12-21
