@misc{indiciaeb226fc9880ac,
  title = {Recertification: quo vadis?},
  author = {J E Salvaggio},
  year = {1977},
  doi = {10.1016/0091-6749(77)90117-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/893874/},
  note = {Source identifier: 893874}
}