@misc{indiciae6f51e1f0573f,
  title = {[Activitrax--a pacemaker with a regulated rhythm rate].},
  author = {Z Sadowski and K Zalas and M Srzednicki and J Heybowicz and M Kośmicki and T Pałko},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2638421/},
  note = {Source identifier: 2638421}
}