@misc{indiciae9e9f96221ba6,
  title = {Esophageal endoscopy.},
  author = {M Garabedian and J A Gregg},
  year = {1971},
  doi = {10.1016/s0039-6109(16)39438-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/5579024/},
  note = {Source identifier: 5579024}
}