@misc{indiciae04dcc5adf9d6,
  title = {Chymotrypsins.},
  author = {M L Bender and J V Killheffer},
  year = {1973},
  doi = {10.3109/10409237309102546},
  url = {https://pubmed.ncbi.nlm.nih.gov/4372018/},
  note = {Source identifier: 4372018}
}