@misc{indiciae5ecdd2a6cf78,
  title = {Twelve tips for using a public address system.},
  author = {J M Leiper},
  year = {1988},
  doi = {10.3109/01421598809006610},
  url = {https://pubmed.ncbi.nlm.nih.gov/3237030/},
  note = {Source identifier: 3237030}
}