@misc{indiciae70835979deaf,
  title = {Ultrasonic pulmonary Densitometry: preliminary studies.},
  author = {A Hendin},
  doi = {10.1097/00004424-197505000-00011},
  url = {https://pubmed.ncbi.nlm.nih.gov/1132952/},
  note = {Source identifier: 1132952}
}