@misc{indiciae5d5ab8bd4241,
  title = {Sinus arrest and beta blockade.},
  author = {J R Colvin and G C Cummings},
  year = {1988},
  doi = {10.1111/j.1365-2044.1988.tb09040.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2899986/},
  note = {Source identifier: 2899986}
}