@misc{indiciae5408d8dd7046,
  title = {A before and after for tonogenesis.},
  author = {E T Purcell and G Villegas and S P Young},
  year = {1978},
  doi = {10.1159/000259934},
  url = {https://pubmed.ncbi.nlm.nih.gov/704688/},
  note = {Source identifier: 704688}
}