@article{z. holub2007oophorectomy,
  title={Laparoscopic oophorectomy either with or without hysterectomy for early breast cancer},
  author={e. kucera,z. holub,g. svobodova},
  journal={European Journal of Gynaecological Oncology},
  volume={28},
  number={4},
  pages={294--296},
  doi = {10.12892/ejgo200704294},
  year={2007}
}