@article{m. ashkenazi2000of,
  title={Microabrasion of teeth with discoloration resembling
hypomaturation enamel defects: four- year follow up},
  author={m. ashkenazi,h. sarnat},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={25},
  number={1},
  pages={29--34},
  doi = {10.17796/jcpd.25.1.w0x5077735g64411},
  year={2000}
}