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Zivanovic O, Sima CS, Iasonos A, Bell-McGuinn KM, Sabbatini PJ, Leitao MM, Levine DA, Gardner GJ, Barakat RR, Chi DS.Zivanovic O, et al. Among authors: chi ds.Gynecol Oncol. 2009 Nov;115(2):209-14. doi: 10.1016/j.ygyno.2009.06.038. Epub 2009 Aug 7.Gynecol Oncol. 2009.PMID: 19664812Free PMC article.