@misc{indiciaed7557d9f032b,
  title = {Deep venous thrombosis: diagnostic techniques.},
  author = {T Hallbook and L Ling},
  year = {1971},
  doi = {10.1016/s0140-6736(71)92403-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4108301/},
  note = {Source identifier: 4108301}
}