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Jiang Y, Yang X, Li L, Lv X, Wang R, Zhang H, Liu R.Jiang Y, et al. Among authors: liu r.Sci Rep. 2023 Jul 27;13(1):12164. doi: 10.1038/s41598-023-38947-4.Sci Rep. 2023.PMID: 37500704Free PMC article.
Guo H, Zhang HG, Xue BG, Sha YW, Liu Y, Liu RZ.Guo H, et al.Zhonghua Nan Ke Xue. 2006 Mar;12(3):215-7, 221.Zhonghua Nan Ke Xue. 2006.PMID: 16597034Chinese.
Wang RX, Fu C, Yang YP, Han RR, Dong Y, Dai RL, Liu RZ.Wang RX, et al.J Assist Reprod Genet. 2010 Jul;27(7):391-6. doi: 10.1007/s10815-010-9420-9. Epub 2010 Apr 28.J Assist Reprod Genet. 2010.PMID: 20425140Free PMC article.
Li D, Zhang H, Wang R, Zhu H, Li L, Liu R.Li D, et al. Among authors: liu r.J Assist Reprod Genet. 2012 Aug;29(8):829-36. doi: 10.1007/s10815-012-9783-1. Epub 2012 May 12.J Assist Reprod Genet. 2012.PMID: 22581431Free PMC article.