@article{a. di spiezio sardo2007signet-ring,
  title={Primary signet-ring cell carcinoma of the uterine cervix with long term follow-up: case report},
  author={l. insabato,s. simonetti,r. de cecio,s. di tuoro,g. bifulco,a. di spiezio sardo},
  journal={European Journal of Gynaecological Oncology},
  volume={28},
  number={5},
  pages={411--414},
  doi = {10.12892/ejgo200705411},
  year={2007}
}