@article{n. tsagkas2019and,
  title={Knowledge and beliefs about HPV infection and the relevant vaccination in Greek young population},
  author={n. tsagkas,v. siafaka,a. tzallas,c. zerzi,m. zografou,e. bilirakis,m. paraskevaidi,m. kyrgiou,e. paraskevaidis},
  journal={European Journal of Gynaecological Oncology},
  volume={40},
  number={4},
  pages={557--562},
  doi = {10.12892/ejgo4738.2019},
  year={2019}
}