@misc{indiciaebdc834c1baf4,
  title = {Normal enamel. II. Qualitative polarized light study.},
  author = {A J Gwinnett},
  doi = {10.1177/00220345660450020701},
  url = {https://pubmed.ncbi.nlm.nih.gov/5220217/},
  note = {Source identifier: 5220217}
}