@misc{indiciae79382af2bb3a,
  title = {Physiological aspects of a vocal exercise.},
  author = {N Elliot and J Sundberg and P Gramming},
  year = {1997},
  doi = {10.1016/s0892-1997(97)80075-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/9181540/},
  note = {Source identifier: 9181540}
}