@article{boj j.r2007of,
  title={Effect of Formaldehyde on Rat Liver in Doses Used in Pulpotomies},
  author={cortés o,fernández j,boj j.r,canalda c},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={31},
  number={3},
  pages={179--182},
  doi = {10.17796/jcpd.31.3.j87172840r7q3x24},
  year={2007}
}