@misc{indiciaeb16f0ee9b546,
  title = {Menstrual cycle and voice quality.},
  author = {F S Brodnitz},
  year = {1979},
  doi = {10.1001/archotol.1979.00790170070022},
  url = {https://pubmed.ncbi.nlm.nih.gov/435159/},
  note = {Source identifier: 435159}
}