@article{k. syrjanen2007and,
  title={Mechanisms and predictors of high-risk human papillomavirus (HPV) clearance in the uterine cervix},
  author={k. syrjanen},
  journal={European Journal of Gynaecological Oncology},
  volume={28},
  number={5},
  pages={337--351},
  doi = {10.12892/ejgo200705337},
  year={2007}
}