@misc{indiciae3109f2adfa1b,
  title = {The red impurity in trypan blue.},
  author = {J B Lloyd and F E Field},
  year = {1970},
  doi = {10.1007/bf02114229},
  url = {https://pubmed.ncbi.nlm.nih.gov/5452020/},
  note = {Source identifier: 5452020}
}