@misc{indiciaeea2502dae5a8,
  title = {Spontaneous pneumopericardium.},
  author = {A A Gossage and P W Robertson and S F Stephenson},
  year = {1976},
  doi = {10.1136/thx.31.4.460},
  url = {https://pubmed.ncbi.nlm.nih.gov/968805/},
  note = {Source identifier: 968805}
}