@misc{indiciae3d65f0955d16,
  title = {Upper gastrointestinal endoscopy.},
  author = {T Walley},
  year = {1995},
  doi = {10.1136/bmj.311.6996.57c},
  url = {https://pubmed.ncbi.nlm.nih.gov/7613341/},
  note = {Source identifier: 7613341}
}