@misc{indiciae0d269eb77f9a,
  title = {Manual and automated prothrombin time tests.},
  author = {D J Easton},
  year = {1989},
  doi = {10.1136/jcp.42.10.1117},
  url = {https://pubmed.ncbi.nlm.nih.gov/2584419/},
  note = {Source identifier: 2584419}
}