@article{m. marchetti2002as,
  title={Ultrasound as a possible screening method in ovarian cancer},
  author={m. marchetti,a. zambon,v. lamaina,m. spadaro,s. marchioro},
  journal={European Journal of Gynaecological Oncology},
  volume={23},
  number={2},
  pages={123--126},
  doi = {10.12892/ejgo200202123},
  year={2002}
}