Background characteristics of women with singleton pregnancies (N = 581,844) and by maternal country of birth groupsa,b.
收藏数据链接：
官方服务：
资源简介：
Background characteristics of women with singleton pregnancies (N = 581,844) and by maternal country of birth groupsa,b.
单胎妊娠女性（样本量N=581,844）的基线特征，且按母亲出生国家组别a,b进行划分。
创建时间：
2018-05-29
