NCHS - All-County Natality File with Exact Date of Birth
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资源简介：
This dataset includes all births for a given year and includes all items released in the public-use file. Additional information in this file includes state and county of residence (cities with a population of 100,000 or greater) and exact date of birth (which includes day of month, month, and year).
创建时间：
2022-05-31
