@misc{indiciae2bc873ce3fad,
  title = {[New parameter for assessing sinus node function--the sinus node refractory period].},
  author = {A Lautsiavichius and A Aĭdetis and Iu Aganauskene and A Novokol'skiĭ},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3807139/},
  note = {Source identifier: 3807139}
}