@misc{indiciae76a9950c9f82,
  title = {Prothrombin time standardization.},
  author = {A J Quick},
  year = {1971},
  doi = {10.1093/ajcp/55.3.385},
  url = {https://pubmed.ncbi.nlm.nih.gov/4927476/},
  note = {Source identifier: 4927476}
}