@misc{indiciaedc59e8231202,
  title = {Zeiss operating microscopes for neurosurgery.},
  author = {C Krampe},
  year = {1984},
  doi = {10.1007/bf01780690},
  url = {https://pubmed.ncbi.nlm.nih.gov/6493524/},
  note = {Source identifier: 6493524}
}