@misc{indiciaed3856cf09d4f,
  title = {Gastrointestinal endoscopy.},
  author = {L Slonim},
  year = {1992},
  doi = {10.5694/j.1326-5377.1992.tb137370.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1301040/},
  note = {Source identifier: 1301040}
}