@article{cicciù m2014pigmentation,
  title={Green Pigmentation in Human Teeth. A Stereomicroscopic Study},
  author={rakauskaite a,juodzbalys g,pauza dh,cicciù m},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={38},
  number={4},
  pages={355--361},
  doi = {10.17796/jcpd.38.4.057t211602x447j8},
  year={2014}
}