@misc{indiciae58c379c07eea,
  title = {An improved procedure for determining thromboplastin generation.},
  author = {T Exner and K A Richard},
  year = {1974},
  doi = {10.1136/jcp.27.8.683},
  url = {https://pubmed.ncbi.nlm.nih.gov/4422202/},
  note = {Source identifier: 4422202}
}