@misc{indiciae0256d33457ef,
  title = {Artificial pacing for heart-block.},
  author = {R W PORTAL and J G DAVIES and A LEATHAM and A H SIDDONS},
  year = {1962},
  doi = {10.1016/s0140-6736(62)91039-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/13972338/},
  note = {Source identifier: 13972338}
}