@article{a. i. karseladze2002in,
  title={Grading in ovarian cancer},
  author={a. i. karseladze},
  journal={European Journal of Gynaecological Oncology},
  volume={23},
  number={3},
  pages={173--177},
  doi = {10.12892/ejgo200203173},
  year={2002}
}