@misc{indiciaeaeca7a7c7d21,
  title = {Spontaneous pneumothorax.},
  author = {T Semple},
  year = {1977},
  doi = {10.1136/bmj.1.6053.107-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/832009/},
  note = {Source identifier: 832009}
}