@misc{indiciaea084eadb9e05,
  title = {UGI studies: radiologic vs endoscopic.},
  author = {D J Ott and D W Gelfand and Y M Chen},
  year = {1988},
  doi = {10.1097/00007611-198806000-00035},
  url = {https://pubmed.ncbi.nlm.nih.gov/3375889/},
  note = {Source identifier: 3375889}
}