@misc{indiciaeb3710e1d01f5,
  title = {Gastrointestinal Endoscopy: a monthly journal.},
  author = {C J Lightdale},
  year = {1995},
  doi = {10.1016/s0016-5107(95)70284-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/7698633/},
  note = {Source identifier: 7698633}
}