@misc{indiciae91ba3d37c1c3,
  title = {Upper GI bleeding},
  author = {A Nowak and AF Belsaguy and Z Yu and K Hashiba and I Mostafa},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10536377/},
  note = {Source identifier: 10536377}
}