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浏览/检索结果: 共3条，第1-3条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Higher beta-human chorionic gonadotropin and estrogen levels during the first 6 weeks of pregnancy are associated with threatened abortion 期刊论文 BIOSCIENCE TRENDS, 2019, 卷号: 13, 期号: 3 作者:  Xu, Ling;  Wei, Qun;  Wu, Qiong;  Zhong, Yanbo;  Li, Yangfang 收藏  |  浏览/下载：9/0  |  提交时间：2019/12/05 Early pregnancy  cross-sectional study  gestational week   Clusters of week-specific maternal gestational weight gain pattern and their association with birthweight: an observational cohort study 期刊论文 ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA, 2017, 卷号: 96, 期号: 10 作者:  Dong, Xinran;  Liang, Huan;  Yin, Chuanmin;  Acharya, Ganesh;  Li, Xiaotian 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/05 Gestational weight gain  week-specific maternal weight gain  longitudinal study  weight gain in pregnancy  hierarchical clustering  birthweight   Metals compositions of indoor PM2.5, health risk assessment, and birth outcomes in Lanzhou, China 期刊论文 ENVIRONMENTAL MONITORING AND ASSESSMENT, 2016, 卷号: 188, 期号: 6 作者:  Zhang, YQ;  Cao, SZ;  Xu, XY;  Qiu, J;  Chen, MX 收藏  |  浏览/下载：5/0  |  提交时间：2017/01/16 Indoor PM2.5  Metal compositions  China  Birth weight  Gestational week