@article{mostafa somri2020and,
  title={Effectiveness and Safety of Nitrous Oxide as a Sedative Agent at 60% and 70% Compared to 50% Concentration in Pediatric Dentistry Setting},
  author={johny kharouba,mostafa somri,christopher hadjittofi,jomana hasan,sigalit blumer},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={44},
  number={1},
  pages={60--65},
  doi = {10.17796/1053-4625-44.1.11},
  year={2020}
}