@misc{indiciae6f0f7a5f7f0c,
  title = {Bell on deaf-mutes.},
  author = {R H Kampmeier},
  year = {1973},
  doi = {10.1056/nejm197308302890924},
  url = {https://pubmed.ncbi.nlm.nih.gov/4587238/},
  note = {Source identifier: 4587238}
}