@misc{indiciae418703739122,
  title = {Variations on a theme: adjuncts to basic gastrointestinal X-ray studies.},
  author = {A M Landry and H R Albright and D H Sanders},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/5044420/},
  note = {Source identifier: 5044420}
}