@article{y. chen2016factors,
  title={Risk factors of node metastasis in cervical carcinoma },
  author={f. yu,y. chen,l. huang,g. nie},
  journal={European Journal of Gynaecological Oncology},
  volume={37},
  number={5},
  pages={662--665},
  doi = {10.12892/ejgo3113.2016},
  year={2016}
}