@misc{indiciae570e004e6c62,
  title = {Duodenal intubation studies.},
  author = {J B Bourke and J C Swann and C L Brown and H D Ritchie},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5115276/},
  note = {Source identifier: 5115276}
}