@article{w. holzgreve 2001cells,
  title={Fetal cells from cord blood as stem cell source: current status and possible implications in gynaecologic oncology},
  author={d. v. surbek,w. holzgreve },
  journal={European Journal of Gynaecological Oncology},
  volume={22},
  number={1},
  pages={6--12},
  doi = {10.12892/ejgo20010106},
  year={2001}
}