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Kim YM, Park JY, Lee KM, Kong TW, Yoo SC, Kim WY, Yoon JH, Chang SJ, Chang KH, Ryu HS.Kim YM, et al. Among authors: chang kh, chang sj.J Gynecol Oncol. 2008 Jun;19(2):113-6. doi: 10.3802/jgo.2008.19.2.113. Epub 2008 Jun 20.J Gynecol Oncol. 2008.PMID: 19471555Free PMC article.