@misc{indiciae4873b22a94a0,
  title = {Bleeding peptic ulcer.},
  author = {T J Butler},
  year = {1967},
  doi = {10.1136/bmj.1.5536.360},
  url = {https://pubmed.ncbi.nlm.nih.gov/6017495/},
  note = {Source identifier: 6017495}
}