@misc{indiciae1b83f4fcc66c,
  title = {Certification is a necessary evil.},
  author = {A Zimmerman},
  year = {1973},
  doi = {10.1016/s0001-2092(07)69357-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4489899/},
  note = {Source identifier: 4489899}
}