@article{m. szarszewska2020of,
  title={Coexistence of endocervical cancer and Brenner tumor
of the ovary. Diagnostic difficulties},
  author={m. szarszewska,j. markowska,a. czekała,p. kurzawa},
  journal={European Journal of Gynaecological Oncology},
  volume={41},
  number={2},
  pages={299--302},
  doi = {10.31083/j.ejgo.2020.02.5184},
  year={2020}
}