@misc{indiciaefecda142e43b,
  title = {Upper gastrointestinal bleeding.},
  author = {J A DE JESUS and R A SIFRE and C E BERTRAN},
  year = {1955},
  url = {https://pubmed.ncbi.nlm.nih.gov/13239733/},
  note = {Source identifier: 13239733}
}