@misc{indiciae8f3896b6cf1c,
  title = {[Biliary calculi ileus].},
  author = {E Bärlehner and K F Pfitzmann},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/5072101/},
  note = {Source identifier: 5072101}
}