@misc{indiciae39104ea706cd,
  title = {Pulmonary embolus originating below knee.},
  author = {S E Warren},
  year = {1978},
  doi = {10.1016/s0140-6736(78)91793-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/79075/},
  note = {Source identifier: 79075}
}