@misc{indiciaed4e4012f0753,
  title = {Speaking tubes for bedside use.},
  author = {H Cantrell},
  year = {1996},
  doi = {10.1016/s0194-5998(96)70238-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/8649898/},
  note = {Source identifier: 8649898}
}