@misc{indiciae409d161ac333,
  title = {Pregnancy in ulcerative colitis.},
  author = {O H Nielsen and B Andreasson and S Bondesen and S Jarnum},
  year = {1983},
  doi = {10.3109/00365528309182088},
  url = {https://pubmed.ncbi.nlm.nih.gov/6669937/},
  note = {Source identifier: 6669937}
}