@misc{indiciae6f74cfad70bf,
  title = {Specialty certification.},
  author = {M J Hirsch},
  year = {1968},
  doi = {10.1097/00006324-196805000-00006},
  url = {https://pubmed.ncbi.nlm.nih.gov/5245521/},
  note = {Source identifier: 5245521}
}