@misc{indiciae47da262817c1,
  title = {A high-performance portable EEG amplifier.},
  author = {J R Smith and K L Chen},
  year = {1983},
  doi = {10.1093/sleep/6.3.286},
  url = {https://pubmed.ncbi.nlm.nih.gov/6622884/},
  note = {Source identifier: 6622884}
}