@misc{indiciae2b0f98468c37,
  title = {Peptic ulcer and ulcerative colitis.},
  author = {J A Halsted},
  year = {1970},
  doi = {10.1016/s0140-6736(70)92107-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4097313/},
  note = {Source identifier: 4097313}
}