@misc{indiciae8dca05754d0a,
  title = {"Open-access" upper gastrointestinal endoscopy.},
  author = {A K Grant},
  year = {1986},
  doi = {10.5694/j.1326-5377.1986.tb113657.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3941644/},
  note = {Source identifier: 3941644}
}