@misc{indiciaed8557d3ed020,
  title = {Fiberoptic endoscopy is 50! Basil I. Hirschowitz, MD.},
  author = {Leon Morgenstern},
  year = {2006},
  doi = {10.1177/1553350606290164},
  url = {https://pubmed.ncbi.nlm.nih.gov/17056779/},
  note = {Source identifier: 17056779}
}