@misc{indiciae9df7548e10a8,
  title = {Learning by doing in CABG surgery.},
  author = {J Cromwell and J B Mitchell and W B Stason},
  year = {1990},
  doi = {10.1097/00005650-199001000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/2404169/},
  note = {Source identifier: 2404169}
}