@misc{indiciae90a26151179e,
  title = {Bleeding peptic ulcers.},
  author = {P Dykes and R N Allan and R P Walt},
  year = {1991},
  doi = {10.1136/bmj.303.6796.248-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/1884071/},
  note = {Source identifier: 1884071}
}