@article{i. szydłowska2019endometrial,
  title={Uterine endometrial stromal sarcoma revealed after treatment
of uterine fibroid with ulipristal acetate: a case report},
  author={i. szydłowska,a. marciniak,a. starczewski},
  journal={European Journal of Gynaecological Oncology},
  volume={40},
  number={3},
  pages={494--497},
  doi = {10.12892/ejgo4658.2019},
  year={2019}
}