@misc{indiciae55555984f227,
  title = {Ventricle or pericardial space?},
  author = {T O Cheng},
  year = {1973},
  doi = {10.7326/0003-4819-78-3-461\_2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4694909/},
  note = {Source identifier: 4694909}
}