@misc{indiciaec1c0281ccad2,
  title = {[Endoscopic sonography in extrahepatic obstructive jaundice].},
  author = {C Nattermann and H Dancygier},
  year = {1992},
  doi = {10.1055/s-2008-1062445},
  url = {https://pubmed.ncbi.nlm.nih.gov/1505352/},
  note = {Source identifier: 1505352}
}