@misc{indiciaea035da45082d,
  title = {Challenges in recertification.},
  author = {R B King},
  year = {1989},
  doi = {10.1016/0090-3019(89)90001-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2636793/},
  note = {Source identifier: 2636793}
}