@article{w.a.a. tjalma2003surgery,
  title={Laparoscopic surgery and port-site metastases: routine measurements to reduce the risk},
  author={w.a.a. tjalma},
  journal={European Journal of Gynaecological Oncology},
  volume={24},
  number={3-4},
  pages={236--236},
  doi = {10.12892/ejgo200303236},
  year={2003}
}