Two-dimensional echocardiography during CPR in man: implications regarding the mechanism of blood flow.

@article{Werner1981TwodimensionalED,
  title={Two-dimensional echocardiography during CPR in man: implications regarding the mechanism of blood flow.},
  author={Jochen Werner and Harry L. Greene and C L Janko and Leonard A. Cobb},
  journal={Critical care medicine},
  year={1981},
  volume={9 5},
  pages={375-6}
}