@misc{indiciaeb529e6d2f886,
  title = {Spectrum of sinus node dysfunction in two siblings.},
  author = {A Nordenberg and P J Varghese and E W Nugent},
  year = {1976},
  doi = {10.1016/s0002-8703(76)80334-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/1258759/},
  note = {Source identifier: 1258759}
}