@misc{indiciaeb530a49f3580,
  title = {Occupational preselection.},
  author = {J H Chretien},
  year = {1970},
  doi = {10.1056/nejm197007092830216},
  url = {https://pubmed.ncbi.nlm.nih.gov/5420345/},
  note = {Source identifier: 5420345}
}