@misc{indiciae08793967943b,
  title = {Upper gastrointestinal endoscopy in surgical practice.},
  author = {R J Thomas},
  year = {1976},
  doi = {10.5694/j.1326-5377.1976.tb134420.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1086421/},
  note = {Source identifier: 1086421}
}