@misc{indiciae9c5fc58fba04,
  title = {Christmas factor inhibitor.},
  author = {J A Koepke and E Shackelford},
  year = {1968},
  doi = {10.1097/00007611-196807000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/5664518/},
  note = {Source identifier: 5664518}
}