@misc{indiciae7add6dfe638f,
  title = {A laser-endoscope with direct beam coupling.},
  author = {J Eichler and K Gutsche and J Knof and H Lenz and J Salk and G Schäfer},
  year = {1978},
  doi = {10.1055/s-0028-1098277},
  url = {https://pubmed.ncbi.nlm.nih.gov/658026/},
  note = {Source identifier: 658026}
}