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Cui C, Wang J, Han X, Wang Q, Zhang S, Liang S, Li H, Meng L, Zhang C, Chen H.Cui C, et al. Among authors: zhang s, zhang c.Reprod Biomed Online. 2021 May;42(5):870-880. doi: 10.1016/j.rbmo.2021.02.002. Epub 2021 Feb 8.Reprod Biomed Online. 2021.PMID: 33840620
Zhang CL, Gao HY, Zhao ZG, Jia P.Zhang CL, et al.Zhonghua Fu Chan Ke Za Zhi. 2004 Mar;39(3):173-5.Zhonghua Fu Chan Ke Za Zhi. 2004.PMID: 15130377Clinical Trial.Chinese.
Wang Q, Tang SB, Song XB, Deng TF, Zhang TT, Yin S, Luo SM, Shen W, Zhang CL, Ge ZJ.Wang Q, et al.Hum Reprod. 2018 Mar 1;33(3):474-481. doi: 10.1093/humrep/dey006.Hum Reprod. 2018.PMID: 29377995
Wei Y, Zhang H, Wang Q, Zhang C.Wei Y, et al. Among authors: zhang c, zhang h.Adv Exp Med Biol. 2018;1068:103-117. doi: 10.1007/978-981-13-0502-3_9.Adv Exp Med Biol. 2018.PMID: 29943299Review.