@misc{indiciae4bfa482a709b,
  title = {[An electronically switched and triggered pacemaker].},
  author = {R Richwien},
  year = {1968},
  doi = {10.1007/bf02474298},
  url = {https://pubmed.ncbi.nlm.nih.gov/5728687/},
  note = {Source identifier: 5728687}
}