@article{null,
  title={Congential insensitivity to pain: report of two cases},
  author={j.o. lawoyin,d.o. lawoyin},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={25},
  number={2},
  pages={171--174},
  doi = {10.17796/jcpd.25.2.c473362147p01382},
  year={2001}
}