@misc{indiciae80ab28ef3adc,
  title = {Immediate improvement in left ventricular function after cardioversion of atrial flutter.},
  author = {J N Karnegis and J J Matoole and V G Bjorling},
  year = {1989},
  doi = {10.1016/0002-9149(89)90807-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/2816737/},
  note = {Source identifier: 2816737}
}