@article{ m. yildirim2017of,
  title={Expression of topoisomerase II, BCL-2, and Ki-67 in ovarian cancer tissue and their effects on the development and prognosis of ovarian cancers},
  author={e.n. akyurek,a.f. yavuz avsar,u.m. ural,a. kilicarslan, m. yildirim},
  journal={European Journal of Gynaecological Oncology},
  volume={38},
  number={5},
  pages={675--679},
  doi = {10.12892/ejgo3370.2017},
  year={2017}
}