@misc{indiciae6fea37875ff7,
  title = {[Surgery in ulcerative colitis].},
  author = {H-J Buhr and M Utzig and E Stange},
  year = {2004},
  doi = {10.1055/s-2004-813514},
  url = {https://pubmed.ncbi.nlm.nih.gov/15455277/},
  note = {Source identifier: 15455277}
}