@misc{indiciae190508b71040,
  title = {Single-step percutaneous transhepatic cholecystoscopy.},
  author = {H von Sanden and W Schmitt and R Ottenjann},
  year = {1990},
  doi = {10.1055/s-2007-1012823},
  url = {https://pubmed.ncbi.nlm.nih.gov/2357938/},
  note = {Source identifier: 2357938}
}