@misc{indiciaeab2c2a552c48,
  title = {Ulcerative colitis in cigarette smokers.},
  year = {1987},
  doi = {10.1056/nejm198709033171015},
  url = {https://pubmed.ncbi.nlm.nih.gov/3614278/},
  note = {Source identifier: 3614278}
}