County-level study variables possibly associated with county-level prevalence of preterm delivery: Definitions and weighted means and standard deviations.*
收藏Figshare2015-12-02 更新2026-04-29 收录
下载链接：
https://figshare.com/articles/dataset/_County_level_study_variables_possibly_associated_with_county_level_prevalence_of_preterm_delivery_Definitions_and_weighted_means_and_standard_deviations_/1001548
下载链接
链接失效反馈官方服务：
资源简介：
*Each study variable was derived separately for blacks and whites and restricted to women when possible; means are for the 468 counties that had at least 20 preterm deliveries at 20–31 weeks gestation.
创建时间：
2015-12-02
