@misc{indiciaee1a128a2de7c,
  title = {[Open access upper endoscopy. Can the practice be improved?].},
  author = {P Qvist and C D Jacobsen},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/7786322/},
  note = {Source identifier: 7786322}
}