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Kim SI, Jang YS, Han SH, Choi MJ, Go EH, Cheon YP, Lee JS, Lee SH.Kim SI, et al. Among authors: cheon yp.Dev Reprod. 2012 Dec;16(4):295-300. doi: 10.12717/DR.2012.16.4.295.Dev Reprod. 2012.PMID: 25949103Free PMC article.
Jeon Y, Lee M, Cheon YP.Jeon Y, et al. Among authors: cheon yp.Dev Reprod. 2015 Dec;19(4):235-42. doi: 10.12717/DR.2015.19.4.235.Dev Reprod. 2015.PMID: 26973975Free PMC article.
Cha S, Baek JW, Ji HJ, Choi JH, Kim C, Lee MY, Hwang YJ, Yang E, Lee SH, Jung HI, Cheon YP.Cha S, et al. Among authors: cheon yp.Dev Reprod. 2017 Jun;21(2):121-130. doi: 10.12717/DR.2017.21.2.121. Epub 2017 Jun 30.Dev Reprod. 2017.PMID: 28785733Free PMC article.
Cha S, Jung K, Lee MY, Hwang YJ, Yang E, Lee SH, Jung HI, Cheon YP.Cha S, et al. Among authors: cheon yp.Dev Reprod. 2018 Mar;22(1):85-94. doi: 10.12717/DR.2018.22.1.085. Epub 2018 Mar 31.Dev Reprod. 2018.PMID: 29707687Free PMC article.