@misc{indiciae1a0cc2922634,
  title = {[The sinus node electrogram in vitro].},
  author = {H Y Wu and F S Gu and S F Huang},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3440433/},
  note = {Source identifier: 3440433}
}