@misc{indiciae7cf435efc703,
  title = {A temporary external DDD pacing unit.},
  author = {P O Littleford and K M Schwartz and C J Pepine},
  year = {1984},
  doi = {10.1016/0002-9149(84)90633-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/6702681/},
  note = {Source identifier: 6702681}
}