@misc{indiciaea12fa60a2d00,
  title = {Prothrombin time standardization.},
  author = {L Poller},
  year = {1970},
  doi = {10.1093/ajcp/54.4.670},
  url = {https://pubmed.ncbi.nlm.nih.gov/5471236/},
  note = {Source identifier: 5471236}
}