@misc{indiciae166a1453819d,
  title = {Open-access endoscopy.},
  author = {G E Holdstock},
  year = {1980},
  doi = {10.1136/bmj.280.6231.1617},
  url = {https://pubmed.ncbi.nlm.nih.gov/6775735/},
  note = {Source identifier: 6775735}
}