@misc{indiciae87eb61271b21,
  title = {PACEMAKING ON DEMAND IN AV BLOCK.},
  author = {L LEMBERG and A CASTELLANOS and B V BERKOVITS},
  year = {1965},
  doi = {10.1001/jama.1965.03080010018003},
  url = {https://pubmed.ncbi.nlm.nih.gov/14222963/},
  note = {Source identifier: 14222963}
}