@misc{indiciaeb12ba4388619,
  title = {Massive pulmonary embolism.},
  author = {M A Barraclough and M V Braimbridge},
  year = {1967},
  doi = {10.1136/bmj.1.5534.217},
  url = {https://pubmed.ncbi.nlm.nih.gov/6018338/},
  note = {Source identifier: 6018338}
}