@article{g. daskalakis2004of,
  title={Assessment of ovarian tumors using transvaginal color Doppler ultrasonography},
  author={g. daskalakis,k. kalmantis,n. skartados,n. thomakos,l. hatziioannou,a. antsaklis},
  journal={European Journal of Gynaecological Oncology},
  volume={25},
  number={5},
  pages={594--596},
  doi = {10.12892/ejgo200405594},
  year={2004}
}