@misc{indiciaefb05ed2e4794,
  title = {Decline in upper gastrointestinal studies.},
  author = {D W Gelfand and D J Ott},
  year = {1984},
  doi = {10.2214/ajr.143.2.431},
  url = {https://pubmed.ncbi.nlm.nih.gov/6611083/},
  note = {Source identifier: 6611083}
}