@misc{indiciae57474334efce,
  title = {Collagenolytic activity in some snake venoms.},
  author = {J W Simpson and A C Taylor and B M Levy},
  year = {1971},
  doi = {10.1016/0305-0491(71)90120-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4332113/},
  note = {Source identifier: 4332113}
}