@misc{indiciae64ce20304065,
  title = {Venous thromboembolism: detection by duplex scanning.},
  author = {S C Nicholls and J K O'Brian and M G Sutton},
  year = {1996},
  doi = {10.1016/s0741-5214(96)80019-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8601896/},
  note = {Source identifier: 8601896}
}