@misc{indiciae1228eaa3f3ad,
  title = {SEM of etching patterns in surface and subsurface enamel.},
  author = {D Nathanson and J L Bodkin and J R Evans},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/6761424/},
  note = {Source identifier: 6761424}
}