@misc{indiciaeb993f495a649,
  title = {An optimally energized cardiac pacemaker.},
  author = {R D Klafter},
  year = {1973},
  doi = {10.1109/tbme.1973.324287},
  url = {https://pubmed.ncbi.nlm.nih.gov/4727421/},
  note = {Source identifier: 4727421}
}