@misc{indiciae06145a20ce58,
  title = {Pulmonary embolism.},
  author = {Levin},
  year = {1971},
  doi = {10.1097/00004311-197100940-00011},
  url = {https://pubmed.ncbi.nlm.nih.gov/5173103/},
  note = {Source identifier: 5173103}
}