@article{k. syrjänen2008concepts,
  title={New concepts on risk factors of HPV and novel screening strategies for cervical cancer precursors},
  author={k. syrjänen},
  journal={European Journal of Gynaecological Oncology},
  volume={29},
  number={3},
  pages={205--221},
  doi = {10.12892/ejgo200803205},
  year={2008}
}