@misc{indiciae941f5412cb5a,
  title = {Certification and-or relicensure.},
  author = {C Alexander},
  year = {1972},
  doi = {10.1016/s0001-2092(07)61958-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4482881/},
  note = {Source identifier: 4482881}
}