@misc{indiciae44f09ad8d042,
  title = {Emergency surgery in ulcerative colitis.},
  author = {T A Boxall},
  year = {1966},
  doi = {10.1136/gut.7.6.606},
  url = {https://pubmed.ncbi.nlm.nih.gov/5957511/},
  note = {Source identifier: 5957511}
}