@misc{indiciae7aa1cfe600b6,
  title = {[Enamel structure and caries process].},
  author = {J G Helmcke and G Neubauer and R Rau},
  year = {1966},
  url = {https://pubmed.ncbi.nlm.nih.gov/5223203/},
  note = {Source identifier: 5223203}
}