@misc{indiciaee8fde6a4360d,
  title = {[Qualification and quality control in sonography].},
  author = {E G Loch and J Bönhof and D Böttcher and W Hausen and P Hammes and P Linhart and P Nauth and P Pfannenstiel and R Schmarsow and C Utech},
  year = {1985},
  doi = {10.1055/s-2007-1006065},
  url = {https://pubmed.ncbi.nlm.nih.gov/3909396/},
  note = {Source identifier: 3909396}
}