[Atrial standstill].

@article{Hara1996AtrialS,
  title={[Atrial standstill].},
  author={Masako Hara and Tomohide Akimitsu and Takashi Saikawa},
  journal={Ryoikibetsu shokogun shirizu},
  year={1996},
  volume={12},
  pages={342-5}
}