@misc{indiciaec0d92a66f46b,
  title = {Upper gastrointestinal bleeding.},
  author = {Wahid Wassef},
  year = {2004},
  doi = {10.1097/00001574-200411000-00006},
  url = {https://pubmed.ncbi.nlm.nih.gov/15703679/},
  note = {Source identifier: 15703679}
}