@article{valencia r2010replica,
  title={Resin Replica in Enamel Deproteinization and its Effect on Acid
Etching},
  author={espinosa r,valencia r,uribe m,ceja i,cruz j,saadia m},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={35},
  number={1},
  pages={47--52},
  doi = {10.17796/jcpd.35.1.u425308167271132},
  year={2010}
}