@misc{indiciae007ed27439d4,
  title = {Study on a new chromogenic substrate for the prothrombin time determination.},
  author = {A Girolami and A Santarossa and S Martinelli and M T Sartori and I Visentin},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/2453419/},
  note = {Source identifier: 2453419}
}