@article{l. geng2011follow-up,
  title={Twelve-month follow-up detection of high-risk human papillomavirus (HPV) DNA for 93 cases with cervicalintraepithelial neoplasia grade 2 or 3 (CIN 2-3) after a loop electrosurgical excisional procedure (LEEP)},
  author={h.y. guo,y.l. guo,k. you,l. geng},
  journal={European Journal of Gynaecological Oncology},
  volume={32},
  number={2},
  pages={164--167},
  doi = {10.12892/ejgo201102164},
  year={2011}
}