@misc{indiciaeb2a8a61dee8a,
  title = {Human factor IX and factor IXa.},
  author = {S P Bajaj and J J Birktoft},
  year = {1993},
  doi = {10.1016/0076-6879(93)22009-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/8412817/},
  note = {Source identifier: 8412817}
}