@misc{indiciae271f4426590c,
  title = {The bleeding-time.},
  author = {J R O'Brien},
  year = {1972},
  doi = {10.1016/s0140-6736(72)93040-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4116796/},
  note = {Source identifier: 4116796}
}