@article{c.m. olsen2007of,
  title={Comparison of symptoms and presentation of women with benign, low malignant potential and invasive ovarian tumors },
  author={c.m. olsen,j. cnossen,a.c. green,p.m. webb},
  journal={European Journal of Gynaecological Oncology},
  volume={28},
  number={5},
  pages={376--380},
  doi = {10.12892/ejgo200705376},
  year={2007}
}