@misc{indiciae98aa49f61e9b,
  title = {Endoscopic Doppler US.},
  author = {Bernd Kohler and Jürgen F Riemann},
  year = {2004},
  doi = {10.1016/s0016-5107(04)01717-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/15449390/},
  note = {Source identifier: 15449390}
}