@misc{indiciae7ce987c0eee6,
  title = {The correlation between pH and hardness in carious dentin.},
  author = {A Shimizu and T Shibatani},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6940980/},
  note = {Source identifier: 6940980}
}