@article{a. kikuchi2006fractal,
  title={3-D fractal tumor growth of epithelial ovarian cancer},
  author={a. kikuchi,s. kozuma,t. yasugi,y. taketani},
  journal={European Journal of Gynaecological Oncology},
  volume={27},
  number={6},
  pages={561--565},
  doi = {10.12892/ejgo200606561},
  year={2006}
}