@misc{indiciaea27677683181,
  title = {Ulcerative colitis.},
  author = {L Beeley and R H Leach},
  year = {1971},
  doi = {10.1136/bmj.2.5754.171-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5581502/},
  note = {Source identifier: 5581502}
}