@misc{indiciae674661192543,
  title = {Pneumothorax in retrospect.},
  author = {R E MICHELL and J K BRADFORD},
  year = {1956},
  doi = {10.1378/chest.29.5.577},
  url = {https://pubmed.ncbi.nlm.nih.gov/13305451/},
  note = {Source identifier: 13305451}
}