@misc{indiciae40489a488a73,
  title = {Vocal muscular development.},
  author = {W A ZERFFI},
  year = {1955},
  doi = {10.1001/archotol.1955.03830040060010},
  url = {https://pubmed.ncbi.nlm.nih.gov/13258020/},
  note = {Source identifier: 13258020}
}