@misc{indiciaefacbeb103585,
  title = {Gastrointestinal bleeding.},
  author = {A M Kassem},
  year = {2004},
  doi = {10.1055/s-2004-825966},
  url = {https://pubmed.ncbi.nlm.nih.gov/15520909/},
  note = {Source identifier: 15520909}
}