@article{victor e. arana-chavez2006electron,
  title={Scanning electron microscopy evaluation of the effect of etching agents on human enamel surface},
  author={caio g. zanet,victor e. arana-chavez,marcelo fava},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={30},
  number={3},
  pages={247--250},
  doi = {10.17796/jcpd.30.3.x5q47j208g064366},
  year={2006}
}