@misc{indiciae107b5f90e28c,
  title = {Penicillin-recognizing enzymes.},
  author = {J M Frère and B Joris and O Dideberg and P Charlier and J M Ghuysen},
  year = {1988},
  doi = {10.1042/bst0160934},
  url = {https://pubmed.ncbi.nlm.nih.gov/3066668/},
  note = {Source identifier: 3066668}
}