@misc{indiciaed5a3cc94545b,
  title = {Reflections by an endoscopist.},
  author = {Guido N J Tytgat},
  year = {2003},
  doi = {10.1016/s0016-5107(03)02160-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/14652543/},
  note = {Source identifier: 14652543}
}