@misc{indiciae96b042f82816,
  title = {Cigarette smoking and ulcerative colitis: a case-control study.},
  author = {M D Silverstein and B A Lashner and S B Hanauer},
  year = {1994},
  doi = {10.1016/s0025-6196(12)61637-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/8170192/},
  note = {Source identifier: 8170192}
}