@misc{indiciae9e9a0d158147,
  title = {Letter: Profuse bleeding from the colon.},
  author = {D T Purtilo and D Lakatua},
  year = {1974},
  doi = {10.1016/s0140-6736(74)92635-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4130508/},
  note = {Source identifier: 4130508}
}