@misc{indiciae3e0e00506f1b,
  title = {Cigarette smoking and ulcerative colitis.},
  year = {1983},
  doi = {10.1056/nejm198306163082413},
  url = {https://pubmed.ncbi.nlm.nih.gov/6855819/},
  note = {Source identifier: 6855819}
}