@misc{indiciae7fa813cbff3f,
  title = {The partial thromboplastin time and factor VIII therapy.},
  author = {C J Bark and M J Orloff},
  year = {1972},
  doi = {10.1093/ajcp/57.4.478},
  url = {https://pubmed.ncbi.nlm.nih.gov/5012939/},
  note = {Source identifier: 5012939}
}