@misc{indiciaeec5e6ebf7cf2,
  title = {Phonocardiography.},
  author = {A LEATHAM},
  year = {1949},
  doi = {10.1136/pgmj.25.289.568},
  url = {https://pubmed.ncbi.nlm.nih.gov/15395703/},
  note = {Source identifier: 15395703}
}