@misc{indiciae2f601437cf94,
  title = {Letter: Monkeys for research.},
  author = {R Schenkel},
  year = {1973},
  doi = {10.1136/bmj.4.5889.421-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/4201446/},
  note = {Source identifier: 4201446}
}