@article{b. k-j yu2003early,
  title={Improved early detection of cervical intraepithelial lesions by combination of conventional Pap smear and speculoscopy},
  author={b. k-j yu,b. 1-t kuo,m-s yen,n-f twu,c-r lai,p-j chen,p-s chien,k-c chao,c-c yuan},
  journal={European Journal of Gynaecological Oncology},
  volume={24},
  number={6},
  pages={495--499},
  doi = {10.12892/ejgo200306495},
  year={2003}
}