@misc{indiciaee275ba07d63c,
  title = {Hermann von Helmholtz.},
  author = {F Roman},
  year = {1993},
  doi = {10.1136/bjo.77.8.514},
  url = {https://pubmed.ncbi.nlm.nih.gov/8025050/},
  note = {Source identifier: 8025050}
}