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Xu B, Li Z, Zhang H, Jin L, Li Y, Ai J, Zhu G.Xu B, et al.Fertil Steril. 2012 Jun;97(6):1321-7.e1-4. doi: 10.1016/j.fertnstert.2012.03.014. Epub 2012 Apr 10.Fertil Steril. 2012.PMID: 22494924Free article.
Yin L, Hang F, Gu LJ, Xu B, Ma D, Zhu GJ.Yin L, et al. Among authors: xu b.Birth Defects Res A Clin Mol Teratol. 2013 Nov;97(11):744-9. doi: 10.1002/bdra.23116. Epub 2013 Feb 25.Birth Defects Res A Clin Mol Teratol. 2013.PMID: 23436719Clinical Trial.
Xu B, Geerts D, Bu Z, Ai J, Jin L, Li Y, Zhang H, Zhu G.Xu B, et al.Hum Reprod. 2014 Apr;29(4):781-90. doi: 10.1093/humrep/deu004. Epub 2014 Feb 18.Hum Reprod. 2014.PMID: 24549215
Xu B, Li Z, Yue J, Jin L, Li Y, Ai J, Zhang H, Zhu G.Xu B, et al.PLoS One. 2014 Jun 16;9(6):e99858. doi: 10.1371/journal.pone.0099858. eCollection 2014.PLoS One. 2014.PMID: 24932478Free PMC article.
Hu S, Xu B, Long R, Jin L.Hu S, et al. Among authors: xu b.BMC Pregnancy Childbirth. 2020 Mar 14;20(1):161. doi: 10.1186/s12884-020-02858-3.BMC Pregnancy Childbirth. 2020.PMID: 32169044Free PMC article.