@misc{indiciaefce9dcc8f507,
  title = {Spontaneous pneumothorax.},
  author = {A J Kukral and G J Cerilli},
  year = {1967},
  doi = {10.1001/archsurg.1967.01330120149029},
  url = {https://pubmed.ncbi.nlm.nih.gov/6026721/},
  note = {Source identifier: 6026721}
}