@misc{indiciae0154c1c9c1d5,
  title = {[Decrease in ventricular frequency in auricular fibrillation using Visken].},
  author = {F Bender and H H Dürholz and D Gradaus and E Schmidt},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/4396541/},
  note = {Source identifier: 4396541}
}