@misc{indiciae42fc4b0a657b,
  title = {Clotting factors.},
  author = {O D Ratnoff},
  year = {1970},
  doi = {10.1056/nejm197001292820517},
  url = {https://pubmed.ncbi.nlm.nih.gov/5410225/},
  note = {Source identifier: 5410225}
}