@article{p. vaupel2006status,
  title={Oxygenation status of primary and recurrent squamous cell carcinomas of the vulva},
  author={p. vaupel,a. mayer,m. hockel},
  journal={European Journal of Gynaecological Oncology},
  volume={27},
  number={2},
  pages={142--146},
  doi = {10.12892/ejgo200602142},
  year={2006}
}