@misc{indiciaef4954ed8fb9e,
  title = {Gastrointestinal endoscopy.},
  author = {W Ruse},
  year = {1992},
  doi = {10.5694/j.1326-5377.1992.tb137216.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1435484/},
  note = {Source identifier: 1435484}
}