@misc{indiciae82746b67200c,
  title = {Learning, licensing, certification.},
  author = {D H Stewart},
  year = {1979},
  doi = {10.1097/00006123-197902000-00017},
  url = {https://pubmed.ncbi.nlm.nih.gov/440554/},
  note = {Source identifier: 440554}
}