@misc{indiciae9f4efa6a3b29,
  title = {Phonocardiogram signal analysis: techniques and performance comparison.},
  author = {M S Obaidat},
  doi = {10.3109/03091909309006329},
  url = {https://pubmed.ncbi.nlm.nih.gov/8169938/},
  note = {Source identifier: 8169938}
}