@misc{indiciae2d0d9121b354,
  title = {Letter: Oral digitalisation.},
  author = {B Whitting and D J Sumner},
  year = {1974},
  doi = {10.1016/s0140-6736(74)92271-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4143357/},
  note = {Source identifier: 4143357}
}