@misc{indiciae5d325876d168,
  title = {Letter: Reasons for recertification.},
  author = {L D German},
  year = {1974},
  doi = {10.1056/nejm197408222910826},
  url = {https://pubmed.ncbi.nlm.nih.gov/4847365/},
  note = {Source identifier: 4847365}
}