@article{henrique castillhos ruschel2002and,
  title={Density and diameter of dentinal tubules of first and second primary human molars - comparative scanning electron microscopy study},
  author={henrique castillhos ruschel,orlando chevitarese},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={26},
  number={3},
  pages={297--304},
  doi = {10.17796/jcpd.26.3.t5344598326r5687},
  year={2002}
}