@article{s. halil2011primitive,
  title={Peripheral primitive neuroectodermal tumor (PNET) of the vulva: a case report},
  author={s. halil,m. kucuk,m. arvas,ö. aydın,z.z. calay},
  journal={European Journal of Gynaecological Oncology},
  volume={32},
  number={1},
  pages={117--118},
  doi = {10.12892/ejgo201101117},
  year={2011}
}