@misc{indiciae0937c5ced5ba,
  title = {Heparin.},
  author = {J Hirsh},
  year = {1991},
  doi = {10.1056/nejm199105303242206},
  url = {https://pubmed.ncbi.nlm.nih.gov/2027360/},
  note = {Source identifier: 2027360}
}