@article{y. hashiguchi2019epithelioid,
  title={Perivascular epithelioid cell tumor of vulva: a rare case},
  author={r. tasaka,y. hashiguchi,m. kasai,t. fukuda, t. ichimura,t. yasui,t. sumi},
  journal={European Journal of Gynaecological Oncology},
  volume={40},
  number={1},
  pages={148--150},
  doi = {10.12892/ejgo4158.2019},
  year={2019}
}