@misc{indiciae55f0b5a8247b,
  title = {Letter: Subcutaneous heparin.},
  author = {J Bonnar and K W Denson},
  year = {1974},
  doi = {10.1016/s0140-6736(74)91163-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4138401/},
  note = {Source identifier: 4138401}
}