@misc{indiciae35ad6168f7e1,
  title = {Regional thromboplastin standardisation using a human brain extract.},
  author = {A R Bird and B Kossew and T P Mulligan and P Jacobs},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2727843/},
  note = {Source identifier: 2727843}
}