@misc{indiciae7831220d14f0,
  title = {Letter: The Sheffield protest.},
  author = {P J Moorhead and M M Platts},
  year = {1976},
  doi = {10.1016/s0140-6736(76)93109-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/56549/},
  note = {Source identifier: 56549}
}