@misc{indiciae1333ffdc6cba,
  title = {Neonatal pneumopericardium.},
  author = {J J Gershanik},
  year = {1971},
  doi = {10.1001/archpedi.1971.02100160108018},
  url = {https://pubmed.ncbi.nlm.nih.gov/5091540/},
  note = {Source identifier: 5091540}
}