@misc{indiciaeee8fef7f5dfd,
  title = {An FM electronics system for biomedical data recording.},
  author = {D M Smith and R H Propst and R R Mercer},
  year = {1979},
  doi = {10.1109/tbme.1979.326389},
  url = {https://pubmed.ncbi.nlm.nih.gov/521030/},
  note = {Source identifier: 521030}
}