@misc{indiciae59c41e4c8a3e,
  title = {A digital stimulator built on modular principles using integrated circuits.},
  author = {P M Bell and R B Stein},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5130637/},
  note = {Source identifier: 5130637}
}