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Lee S, Lee SH, Chung TG, Kim HJ, Yoon TK, Kwak IP, Park SH, Cha WT, Cho SW, Cha KY.Lee S, et al. Among authors: kwak ip.J Assist Reprod Genet. 2003 Sep;20(9):385-9. doi: 10.1023/a:1025437329427.J Assist Reprod Genet. 2003.PMID: 14531651Free PMC article.