@misc{indiciae64cdc9c1b6ea,
  title = {Vocal breakdown: its cause and cure.},
  author = {W A ZERFFI},
  year = {1958},
  doi = {10.1177/000348945806700207},
  url = {https://pubmed.ncbi.nlm.nih.gov/13571862/},
  note = {Source identifier: 13571862}
}