@article{abel cahuana2003of,
  title={Failure of eruption of first and second permanent molars},
  author={camila palma,ana coelho,yndira gonzález,abel cahuana},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={27},
  number={3},
  pages={239--246},
  doi = {10.17796/jcpd.27.3.dm4v13441p161928},
  year={2003}
}