@misc{indiciae7cad840708d1,
  title = {Experiments with classroom FM amplification.},
  author = {A Boothroyd and F Iglehart},
  year = {1998},
  doi = {10.1097/00003446-199806000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/9657595/},
  note = {Source identifier: 9657595}
}