@misc{indiciaef48118c2691b,
  title = {The third decade of cardiac pacing. Multiprogrammable pulse generators.},
  author = {S S Barold and M D Falkoff and L S Ong and R A Heinle},
  year = {1981},
  doi = {10.1136/hrt.45.4.357},
  url = {https://pubmed.ncbi.nlm.nih.gov/7013774/},
  note = {Source identifier: 7013774}
}