@misc{indiciae047961312267,
  title = {An electronic stimulus artifact suppressor.},
  author = {J A Freeman},
  year = {1971},
  doi = {10.1016/0013-4694(71)90188-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4104707/},
  note = {Source identifier: 4104707}
}