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Association of maternal serum copper during early pregnancy with the risk of spontaneous preterm birth: A nested case-control study in China 期刊论文
2018
作者:  Hao, Yongxiu[1,2];  Pang, Yiming[1,2];  Yan, Huina[1,2];  Zhang, Yali[1,2];  Liu, Jufen[1,2]
收藏  |  浏览/下载:9/0  |  提交时间:2019/12/17
Compact Design of a Sharp-Rejection Low-Pass Filter Using a Novel Defected Ground Structure 会议论文
2008 CHINA-JAPAN JOINT MICROWAVE CONFERENCE (CJMW 2008), VOLS 1 AND 2, 2008-09-10
作者:  Wang Huina[1];  Li Guohui[2];  Yan Jun[3]
收藏  |  浏览/下载:2/0  |  提交时间:2019/05/06


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