@misc{indiciaea7d7ad11225a,
  title = {Special training programs in thoracic surgery: past or prologue.},
  author = {L I Bonchek},
  year = {1977},
  doi = {10.1016/s0003-4975(10)64106-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/849023/},
  note = {Source identifier: 849023}
}