@misc{indiciae8c32319d169e,
  title = {Spontaneous pneumothorax.},
  author = {F Abyholm and G Storen and O Geiran},
  year = {1975},
  doi = {10.3109/14017437509138652},
  url = {https://pubmed.ncbi.nlm.nih.gov/1209214/},
  note = {Source identifier: 1209214}
}