@misc{indiciaeb87dc7ef0b43,
  title = {[Studies on calculus bovis by FTIR-PAS].},
  author = {D Y Zhao and Z K Wei and H Tian},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2504204/},
  note = {Source identifier: 2504204}
}