@misc{indiciaed7c28d552588,
  title = {International Normalized Ratio determination using calibrated reference plasmas.},
  author = {A R Hubbard and S M Margetts and T W Barrowcliffe},
  year = {1997},
  doi = {10.1046/j.1365-2141.1997.1542970.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9233567/},
  note = {Source identifier: 9233567}
}