@misc{indiciaec45a3194d4aa,
  title = {[Objective study of respiratory sounds using frequency analysis].},
  author = {D M Zislin and V V Rozenblat and E I Likhacheva},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5384735/},
  note = {Source identifier: 5384735}
}