@misc{indiciae65198fd7174e,
  title = {Preventing postoperative thromboembolism.},
  author = {A Hilson and J G Ayres},
  year = {1979},
  doi = {10.1136/bmj.2.6182.128-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/466298/},
  note = {Source identifier: 466298}
}