@misc{indiciae326fa5511cc4,
  title = {A radioactive marking ink.},
  author = {J E GARDINER},
  year = {1963},
  doi = {10.1038/197414b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/13946527/},
  note = {Source identifier: 13946527}
}