@misc{indiciaebd4749b34e87,
  title = {Upper gastrointestinal endoscopy without sedation.},
  author = {S Boyacioğlu and B Ateş and F Hilmioğlu},
  doi = {10.1016/s0016-5107(89)72923-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2599304/},
  note = {Source identifier: 2599304}
}