@misc{indiciaec150dc06cd53,
  title = {Bleeding duodenal varices.},
  author = {R A Spence and A D Roy},
  year = {1984},
  doi = {10.1002/bjs.1800710805},
  url = {https://pubmed.ncbi.nlm.nih.gov/6611189/},
  note = {Source identifier: 6611189}
}