@misc{indiciae20f11a62622a,
  title = {When patients on warfarin need surgery.},
  author = {Amir K Jaffer and Daniel J Brotman and Nkem Chukwumerije},
  year = {2003},
  doi = {10.3949/ccjm.70.11.973},
  url = {https://pubmed.ncbi.nlm.nih.gov/14650471/},
  note = {Source identifier: 14650471}
}