@misc{indiciae7230a2997381,
  title = {A simple direct-coupled amplifier for action potentials.},
  author = {A Forbes and A M Grass},
  year = {1937},
  doi = {10.1113/jphysiol.1937.sp003541},
  url = {https://pubmed.ncbi.nlm.nih.gov/16994916/},
  note = {Source identifier: 16994916}
}