@misc{indiciaedbb04e89ed54,
  title = {Xamoterol in autonomic and intrinsic sinus node dysfunction.},
  author = {M P van den Berg and J W Viersma and W H van Gilst and K I Lie},
  year = {1990},
  doi = {10.1016/0002-9149(90)91397-o},
  url = {https://pubmed.ncbi.nlm.nih.gov/1969224/},
  note = {Source identifier: 1969224}
}