@misc{indiciae0aad269871ad,
  title = {Atrioventricular synchrony.},
  author = {W Irnich},
  year = {1989},
  doi = {10.1111/j.1540-8159.1989.tb01890.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2481295/},
  note = {Source identifier: 2481295}
}