@article{w. sawicki2001discrimination,
  title={Preoperative discrimination between malignant and benign adnexal masses with transvaginal ultrasonography and colour blood flow imaging},
  author={w. sawicki,b. spiewankiewicz,k. cendrowski,j. stelmachów},
  journal={European Journal of Gynaecological Oncology},
  volume={22},
  number={2},
  pages={137--142},
  doi = {10.12892/ejgo200102137},
  year={2001}
}