@article{yoshiya miyahara2019retrospective,
  title={A retrospective analysis of giant ovarian tumors weighing more than 5,000 grams},
  author={yoshiya miyahara,hitomi imafuku,yuka murata,yasuhiko ebina,hideto yamada},
  journal={European Journal of Gynaecological Oncology},
  volume={40},
  number={4},
  pages={563--566},
  doi = {10.12892/ejgo4414.2019},
  year={2019}
}