@article{a. torrisi2000cytology,
  title={Colposcopy, cytology and HPV-DNA testing in HIV-positive and HIV-negative women},
  author={a. torrisi,a. del mistro,g. l. onnis,f. merlin,r. bertorelle,d. minucci},
  journal={European Journal of Gynaecological Oncology},
  volume={21},
  number={2},
  pages={168--172},
  doi = {10.12892/ejgo200002168},
  year={2000}
}