@article{y. yokoyama2005potential,
  title={The potential and problems of screening for ovarian cancer},
  author={y. yokoyama,t. higuchi,h. mizunuma},
  journal={European Journal of Gynaecological Oncology},
  volume={26},
  number={3},
  pages={241--243},
  doi = {10.12892/ejgo200503241},
  year={2005}
}