@misc{indiciaea220e27a9f4b,
  title = {A STUDY ON THE PRIMARY TONE BY SONA-GRAPH.},
  author = {S SHIBAHARA},
  year = {1965},
  doi = {10.3950/jibiinkoka.68.767},
  url = {https://pubmed.ncbi.nlm.nih.gov/14338133/},
  note = {Source identifier: 14338133}
}