@article{gravina dbl2013defects,
  title={Enamel Defects in the Primary Dentition of Preterm and Full Term
Children},
  author={gravina dbl,cruvinel vrn,azevedo tdpl,toledo oa,bezerra acb},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={37},
  number={4},
  pages={391--395},
  doi = {10.17796/jcpd.37.4.8q77717841781527},
  year={2013}
}