@misc{indiciae592e3fed315c,
  title = {Minimizing factor requirements for surgery without increased risk.},
  author = {S Schulman and J Loogna and R Wallensten},
  year = {2004},
  doi = {10.1111/j.1365-2516.2004.01041.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/15479370/},
  note = {Source identifier: 15479370}
}