@misc{indiciae285203591f3b,
  title = {On vocal strain.},
  author = {A Sonninen and P H Damsté and J Jol and J Fokkens},
  year = {1972},
  doi = {10.1159/000263585},
  url = {https://pubmed.ncbi.nlm.nih.gov/4670038/},
  note = {Source identifier: 4670038}
}