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Kang H, Lee SK, Kim MH, Song J, Bae SJ, Kim NK, Lee SH, Kwack K.Kang H, et al. Among authors: kwack k.Hum Reprod. 2008 Jun;23(6):1457-65. doi: 10.1093/humrep/den086. Epub 2008 Mar 18.Hum Reprod. 2008.PMID: 18349106
Lee SH, Ahn SY, Lee KW, Kwack K, Jun HS, Cha KY.Lee SH, et al. Among authors: kwack k.Fertil Steril. 2006 May;85(5):1512-5. doi: 10.1016/j.fertnstert.2005.10.034. Epub 2006 Mar 29.Fertil Steril. 2006.PMID: 16566932Free article.Clinical Trial.
Jeong HJ, Kim HJ, Lee SH, Kwack K, Ahn SY, Choi YJ, Kim HG, Lee KW, Lee CN, Cha KY.Jeong HJ, et al. Among authors: kwack k.Theriogenology. 2006 Sep 1;66(4):785-96. doi: 10.1016/j.theriogenology.2006.01.059. Epub 2006 Jun 13.Theriogenology. 2006.PMID: 16777209
Kang H, Lee SK, Cho SW, Lee SH, Kwack K.Kang H, et al. Among authors: kwack k.Fertil Steril. 2008 Mar;89(3):728-31. doi: 10.1016/j.fertnstert.2007.03.063. Epub 2007 May 24.Fertil Steril. 2008.PMID: 17524396
Kang H, Lee SK, Kim MH, Choi H, Lee SH, Kwack K.Kang H, et al. Among authors: kwack k.Fertil Steril. 2009 Apr;91(4 Suppl):1339-43. doi: 10.1016/j.fertnstert.2008.03.035. Epub 2008 Jun 13.Fertil Steril. 2009.PMID: 18555221Free article.