@misc{indiciaeec8a3c86ffbb,
  title = {Spontaneous hemothorax without pneumothorax.},
  author = {R A Promisloff and J Friehling},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7172522/},
  note = {Source identifier: 7172522}
}