@misc{indiciae2c02838df3ca,
  title = {Letter: Testing new products.},
  author = {J Sanford},
  year = {1973},
  doi = {10.1136/vr.93.19.523},
  url = {https://pubmed.ncbi.nlm.nih.gov/4784123/},
  note = {Source identifier: 4784123}
}