@article{kazuhiko nakano2011application,
  title={Successful Application of Atelocollagen for Treatment of Perforated Teeth},
  author={katsuhiko masuda,kazuhiko nakano,rena okawa,shuhei naka,michiyo matsumoto,takashi ooshima},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={36},
  number={1},
  pages={1--4},
  doi = {10.17796/jcpd.36.1.u3u603545u127w7r},
  year={2011}
}