@misc{indiciae681f47ec4d2f,
  title = {Ultrasonic absorption and reflection by lung tissue.},
  author = {F DUNN and W J FRY},
  year = {1961},
  doi = {10.1088/0031-9155/5/4/302},
  url = {https://pubmed.ncbi.nlm.nih.gov/13725043/},
  note = {Source identifier: 13725043}
}