@misc{indiciae6bee49050a2c,
  title = {[Pericholangitis in ulcerous colitis].},
  author = {H Piesbergen},
  year = {1968},
  doi = {10.1055/s-0028-1110850},
  url = {https://pubmed.ncbi.nlm.nih.gov/5679124/},
  note = {Source identifier: 5679124}
}