@misc{indiciaeb1979155f11c,
  title = {Routine endoscopy in upper-gastrointestinal-tract bleeding.},
  year = {1982},
  doi = {10.1056/nejm198204083061414},
  url = {https://pubmed.ncbi.nlm.nih.gov/6977719/},
  note = {Source identifier: 6977719}
}