@misc{indiciae4b51f9fbb7d1,
  title = {Thrombin: structural features related to specificity.},
  author = {M R Downing and J Elion and R J Butkowski and K G Mann},
  year = {1977},
  doi = {10.1159/000402149},
  url = {https://pubmed.ncbi.nlm.nih.gov/367359/},
  note = {Source identifier: 367359}
}