@misc{indiciae81a3735a27eb,
  title = {Pneumopericardium: a case report.},
  author = {A Tonmukayakul and C Pongsnumkul},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4839871/},
  note = {Source identifier: 4839871}
}