@misc{indiciae69c071875752,
  title = {A field study with the Optacon.},
  author = {M L Bleecker},
  year = {1984},
  doi = {10.1212/wnl.34.2.264-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/6538034/},
  note = {Source identifier: 6538034}
}