@article{y. yokoyama2012case,
  title={A case of granulosa cell tumor of the ovary detected from metastatic foci},
  author={t. yanagita,y. yokoyama,r. tamura,r. taniguchi,t. shigeto,h. mizunuma},
  journal={European Journal of Gynaecological Oncology},
  volume={33},
  number={6},
  pages={648--651},
  doi = {10.12892/ejgo201206648},
  year={2012}
}