@misc{indiciaea751b553a46e,
  title = {Symmetrical perfusion defects without pulmonary embolism.},
  author = {D R Biello and B Kumar},
  year = {1982},
  doi = {10.1007/bf00256462},
  url = {https://pubmed.ncbi.nlm.nih.gov/6212238/},
  note = {Source identifier: 6212238}
}