@article{d. kovac2005stromal,
  title={Endometrial stromal sarcoma arising in extrauterine endometriosis: A case report},
  author={d. kovac,i. gasparovic,m. jasic,d. fuckar,r. dobi-babic,h. haller},
  journal={European Journal of Gynaecological Oncology},
  volume={26},
  number={1},
  pages={113--116},
  doi = {10.12892/ejgo200501113},
  year={2005}
}