@misc{indiciaefda0b395ca6e,
  title = {On endoscopic training and procedural competence.},
  author = {J Baillie and W J Ravich},
  year = {1993},
  doi = {10.7326/0003-4819-118-1-199301010-00014},
  url = {https://pubmed.ncbi.nlm.nih.gov/8416163/},
  note = {Source identifier: 8416163}
}