@misc{indiciae19cb3f540683,
  title = {Phonocardiography.},
  author = {B WELLS},
  year = {1954},
  doi = {10.1136/bmj.2.4878.9},
  url = {https://pubmed.ncbi.nlm.nih.gov/13160513/},
  note = {Source identifier: 13160513}
}