@article{g. willis2011metastasis,
  title={Nodal metastasis in endometrial cancer },
  author={g. willis,j.e. misas,w. byrne,e. podczaski},
  journal={European Journal of Gynaecological Oncology},
  volume={32},
  number={3},
  pages={259--263},
  doi = {10.12892/ejgo201103259},
  year={2011}
}