@article{a. koch2017primitive,
  title={Retroperitoneal primitive neuroectodermal tumor (PNET): case report and review of literature},
  author={a. koch, s. frigo, l. lecointre,m. humme,c.y. akladios,j.p. bergerat,g. noë,a. wattiez},
  journal={European Journal of Gynaecological Oncology},
  volume={38},
  number={2},
  pages={314--318},
  doi = {10.12892/ejgo3510.2017},
  year={2017}
}