@misc{indiciaeff11c13b07ec,
  title = {[Toning method for a slide].},
  author = {F Ishikawa and T Endo and T Kamegai},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5249454/},
  note = {Source identifier: 5249454}
}