@misc{indiciaeae23315a6a25,
  title = {Ulcerative colitis--a retrospective study.},
  author = {T A Mian and S J Zuberi},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6772820/},
  note = {Source identifier: 6772820}
}