@misc{indiciae6f083d1983e1,
  title = {Methodological variables affecting phonational frequency range in adults.},
  author = {A R Reich and R R Frederickson and J A Mason and R S Schlauch},
  year = {1990},
  doi = {10.1044/jshd.5501.124},
  url = {https://pubmed.ncbi.nlm.nih.gov/2299828/},
  note = {Source identifier: 2299828}
}