@misc{indiciae89c5c3e30477,
  title = {Pattern classification of the phonocardiogram using linear prediction analysis.},
  author = {A Iwata and N Suzumura and K Ikegaya},
  year = {1977},
  doi = {10.1007/bf02457994},
  url = {https://pubmed.ncbi.nlm.nih.gov/197334/},
  note = {Source identifier: 197334}
}