@misc{indiciae71161ed76e1f,
  title = {Vomiting blood for three days.},
  author = {L E Swischuk},
  year = {1994},
  doi = {10.1097/00006565-199408000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/7937306/},
  note = {Source identifier: 7937306}
}