@article{c. dannecker2011significance,
  title={The significance of HPV in the follow-up period after treatment for CIN},
  author={j. gallwas,n. ditsch,p. hillemanns,k. friese,c. thaler,c. dannecker},
  journal={European Journal of Gynaecological Oncology},
  volume={31},
  number={1},
  pages={27--30},
  doi = {10.12892/ejgo20100127},
  year={2011}
}