@misc{indiciae42c496f17964,
  title = {Biliary drainage.},
  author = {M Classen and F Hagenmüller},
  year = {1983},
  doi = {10.1055/s-2007-1021514},
  url = {https://pubmed.ncbi.nlm.nih.gov/6191974/},
  note = {Source identifier: 6191974}
}