@misc{indiciae596ff246ffe9,
  title = {Surgery for ulcerative colitis.},
  author = {David Blumberg and David E Beck},
  year = {2002},
  doi = {10.1016/s0889-8553(01)00013-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/12122734/},
  note = {Source identifier: 12122734}
}