@misc{indiciaeafa02d1bc3b5,
  title = {Endoscopic ultrasonography.},
  author = {T Rösch},
  doi = {10.1055/s-2007-1010453},
  url = {https://pubmed.ncbi.nlm.nih.gov/1559485/},
  note = {Source identifier: 1559485}
}