@misc{indiciae1100ac059fa2,
  title = {Ulcerative colitis in the elderly.},
  author = {R Zeman and M Burrell and J A Gold},
  year = {1980},
  doi = {10.2214/ajr.135.1.164},
  url = {https://pubmed.ncbi.nlm.nih.gov/6771985/},
  note = {Source identifier: 6771985}
}