@misc{indiciae9b1b30f674fe,
  title = {[Ulcerative colitis].},
  author = {H Smagoń and K Czaplewska and W Tymiński},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5552295/},
  note = {Source identifier: 5552295}
}